History Series / KillerAndHealer

** In the end, Zhan Junbai kills Chen

** [[spoiler:After realizing that Yuelou is her son, Zhang Shangnan regrets what she had done realizing the irony of being a drug trafficker who destroyed families despite that opium destroyed her family. Yuelou understandably calls her out on this]].

* BigBadDuumvirate: Commander Zhan [[spoiler:and his nephew Zhan Jubai]] plan to take over the city by controlling several of the city departments such as the police force. The one person who is stopping them is Jiang Yuelou.

* BittersweetEnding: [[spoiler:The show ends with Zhan Jubai killing Chen Yuzhi in front of Jiang Yuelou before committing suicide. Yuzhi entrusts Yuelou to take care of Keying as he passes away. Regardless, the Zhan family and their cohorts are dead and peace in Jing City is restored...at the cost of those who helped Yuelou in his fight for justice and peace]].

** [[spoiler:Yuelou also calls out his adopted father, Bai Jinbo, for siding with Zhan Jubai which put him, his own adopted son, in mortal danger]].

* ForcedIntoEvil: [[spoiler:Zhan Junbai threatens Bai Jinbo with his life after drugging him which leads to the latter making a deal to help the former on his coup to conquer Jing City. Because of this, Jubai eventually learns of Yuelou's undercover mission and Yuzhi's whereabouts. When Yuelou confronts him, Bai Jinbo regrets it and tells him to be the one to save the city as he kills himself]].

* HeroKiller: Jiang Shangnan is one of the show's dangerous antagonists [[spoiler:where she's indirectly responsible for Sun Yongren's death and kills Song Rong. She nearly kills Jiang Yuelou if it weren't for his birthmark on the back which would make her realize that he's her long-lost son]].

** In episodes 32 and 33, [[spoiler:Zhan Jubai learns from Bai Jinbo that Yuelou's purpose for joining his organization was an undercover mission and that he faked Yuzhi's death]].

* LikeASonToMe: Bai Jinbo adopted Yuelou after saving him from his father's debtors. Yuelou grows to love his adopted parents and becomes a policeman just like his adopted father. [[spoiler:This becomes very painful for Yuelou when he learns that Bai Jinbo betrayed after siding with Zhan Jubai]].

* MajorInjuryUnderreaction: Yuelou shoots himself in the left arm to prevent himself from shooting Jin Dancheng who wants a proper apology from him for shooting his ear. As he and Yuzhi, who was injured from the torture, walked out from the prison, his left arm is bleeding but Yuelou doesn't mind the pain.
* ManHug: When Yuzhi meets Yuelou again [[spoiler:after he survived the sniper shot from one of Zhan Jubai's men]], he embraces him. In the deleted scene, Yuelou embraces him back while stroking his neck.

* NotAfraidToDie: Yu Tangchun is aware that he can no longer sing and his health is failing. When Yuzhi informs him that he may not last longer, Yu Tangchun accepts it. [[spoiler:This is why when Zhan Jubai imprisons him after his true identity is exposed, Yu Tangchun prefers to die instead and has no fear that his time is near]].

* PleaseWakeUp: The ending has [[spoiler:Yuelou trying to wake up Yuzhi who dies from Zhan Jubai's shot while calling his name repeatedly]].

* WeaponizedAllergy: Boss Yu is allergic to crabs and eating its roe could cause an allergic reaction that could kill him. When Zhan Jubai learns about this after suspecting his true identity, [[spoiler:he uses this to torture him]].

** Episodes 32 and 33: [[spoiler:Zhan Junbai forces Bai Jinbo to betray Yuelou by exposing his undercover mission and Yuzhi's status. To get Yuzhi to cooperate, Jubai reveals that Keying is alive as his hostage]].

Set in [[UsefulNotes/NoMoreEmperors the Chinese Republic era]], the story is about two men with different personalities. Jiang Yuelou is the chief of police in Jingchen City who hates drugs and wants to bring peace and order to the city. During a drug bust operation, he meets Dr. Chen Yuzhi, who happens to be in the wrong place at the wrong time because he is busy tending several of the injured gang members. Though Yuelou lets the doctor go after discovering he's innocent, Yuzhi learns that his younger sister is missing and heads to Hong Kong to find her. Meanwhile, Yuelou learns about an opium trade in Hong Kong which acts as a route to the drug business in Jing city. Yuelou travels there to stop it and crosses paths with Yuzhi once again.

* TheInfiltration: The second half of the series [[spoiler:has Yuelou going undercover to meet San Ye and destroy his organization from within]].

* BigBrotherWorship: Zhao Moqing adores her brother very much despite the bickering. When he gets arrested, Moqing believes he was framed and begs Zhan and Yuelou to save him.

** [[spoiler:Yuzhi is able to figure out that Yuelou is on an undercover mission to infiltrate San Ye's organization after remembering Yuelou's plan to shoot him near the heart in order to fake his death and lay low for a while as he faces San Ye]].

* JerkWithAHeartOfGold: Chief Jin Dancheng is quite an asshole to Yuelou but he's clearly doing his job and like Yuelou, wants to bring peace and order to Jing City.

* ManHug: When Yuzhi meets Yuelou again [[spoiler:after he survived the sniper shot from one of Zhan Jubai's men]], he embraces him. In the deleted scene, Yuelou embraces him back.

* BreakHisHeartToSaveHim: In order for his undercover mission not to get blown and to protect Yuzhi from danger, [[spoiler:Yuelou pretends that he went mad and joined San Ye as an act of rebellion. When he meets Yuzhi at the opera house after escaping from the mental hospital, he beats the crap out of him to keep the charade]].

* TheInfiltration: The second half of the series has Yuelou going undercover to meet San Ye and destroy his organization from within.

* MoralityChain: Yuzhi acts like this to Yuelou because he is the only one who can help him with his anger issues and make sure he doesn't hurt innocent people.

** [[apoilwe:Zhan Junbai and Yu Tangchun's relationship ends badly after the latter helps Yuzhi destroy the Zhan family's arsenal by doing a HeroicSacrifice. It doesn't help that Yu Tangchun still remains angry at Zhan Junbai for the death of his family and the torture he endured]].

* TragicBromance: Yuelou and Yuzhi's relationship ends in tragedy [[spoiler:when Yuzhi gets killed by Zhan in retaliation against Yuelou]].

* UnwittingInstigatorOfDoom: Bai Jinbo's treatment of his second wife, Bai Yinli, led the latter to aid Jiang Shangnan by leaking confidential information. [[spoiler:This leads to the deaths of many of his officers such as Sun Yongren and Song Rong and Yuelou's undercover mission being compromised which in turn forces Chu Ran to marry Zhan Junbai in an attempt to expose his wrongdoings but leads to her death. Had Bai Jinbo treated Bai Yinli fairly, then so many deaths would have been avoided]].
* VillianWithGoodPublicity: [[spoiler:Zhan Junbai is known to be a benevolent public official. Once Yuelou, Yuzhi, and Chu Ran learn that he's San Ye, they're aware that they can't expose him outright]].

* BreakHisHeartToSaveHim: In order for his undercover mission not to get blown and to protect Yuzhi from danger, [[spoiler:Yuelou pretends that he went mad and joined San Ye as an act of rebellion. When he meets Yuzhi at the opera house after escaping from the mental hospital, he beats the crap out of him to keep the charade regardless of how much it hurts him]].

** [[spoiler:Yu Tangchun is enamored with Zhan Jubai due to his kindness and appreciation of his singing. But when he learns TheAwfulTruth that Zhan Junbai is the one who massacred his family, Yu is disgusted that he wants nothing to do with him and prefers to die than be his prisoner]].

** [[spoiler:When Zhan Junbai learns about the truth that Yuelou didn't kill Yuzhi, he forces Yuzhi out of hiding by holding Keying hostage. He proposes a deal where he has to kill Yuelou to free his sister. When Yuzhi meets Yuelou at the docks, Yuzhi chooses not to do so he attempts to kill himself while entrusting Yuelou to take care of Keying]].

** [[spoiler:Despite being a sociopath, Zhan Jubai did care for Yu and was devastated when he died. In the show's ending, it's implied that he killed himself so he could be with Yu in the afterlife as he was holding his Buddhist prayer beads]].
* EveryoneHasStandards: Bai Yiliu doesn't care that leaking confidential information caused the deaths of several police officers all because she wants to get even on Bai Jinbo. [[spoiler:However, when she overhears Zhan Junbai plotting with Bai Jinbo about conquering the city, she's horrified and tries to leave except that she gets killed for her troubles]].
* FakingTheDead: [[spoiler:Yuelou fakes Yuzhi's death by shooting him near the heart so he can recover and hide from Zhan Jubai]].

* ItsAllMyFault: Yuelou blames himself for Keying's kidnapping because if he hadn't imprisoned Yuzhi for being in the drug den, then Keying would still be safe. What's worse is that he passed by Yuzhi's house that night where Keying was waiting for her brother at the gate and witnessed a car driving away with Keying struggling against her captors.

* MistreatmentInducedBetrayal: Bai Yiliu dislikes how Bai Jinbo treats her because she looks like his late wife. Because of this, she accepts Jiang Shangnan's offer to leak secret police information [[spoiler:which led to the deaths of Sun Yongren and Song Rong]]. Later on, [[spoiler:Zhan Junbai has her drug Bai Jinbo so he can interrogate him about the location of the city's arsenal and Yuelou's true intention of joining his organization]].

* AllJustADream: [[spoiler:The alternate ending shows that the original ending when Zhan Jubai kills Yuzhi is Yuelou's nightmare. He wakes up and finds that Yuzhi is still alive and Zhan is arrested instead.]].

* AnyoneCanDie: Given this type of story where drugs, gangs, and warlords are involved, some of the main characters end up dying such as [[spoiler:Sun Yongren, Song Rong, Yu Tangchun, Comissioner Bai, Chu Ran, Zhan Jubai and Chen Yuzhi]].

* BigBad: San Ye, who is responsible for the opium trade in Jing City. His true identity is [[spoiler:Zhan Jubai who is also responsible for kidnapping Chen Keying and killing Yu Tangchun's family]].

** Yuzhi cares for his little sister, Keying, very much given that she's the only family member he has left. When she got kidnapped, Yuzhi would do anything to find her. After she's believed to be dead, Yuzhi vows to avenge her death by helping Yuelou bring down the drug syndicate that kidnapped her. [[spoiler:Zhan Jubai sees this as his weakness. So he has Keying hostage and forces Yuzhi to make a choice where he must betray Yuelou to reunite with Keying]].

* BitchInSheepsClothing: [[spoiler:Zhan Jubai]] is always shown to be a trusted friend to Yuelou, Yuzhi, Chu Ran, and most especially, Yu. However, he turns out to be a sociopath who likes to bring suffering to others for the sake of his goals.

** [[spoiler:Yu Tangchun is enamored with Zhan Jubai due to his kindness and appreciation of his singing. But when he learns TheAwfulTruth that Zhan Jubai is the one who massacred his family, Yu is disgusted that he wants nothing to do with him and prefers to die than be his prisoner]].

** [[spoiler:When Zhan Jubai learns about the truth that Yuelou didn't kill Yuzhi, he forces Yuzhi out of hiding by holding Keying hostage. He proposes a deal where he has to kill Yuelou to free his sister. When Yuzhi meets Yuelou at the docks, Yuzhi chooses not to do so he attempts to kill himself while entrusting Yuelou to take care of Keying]].

* CorruptPolitician: As Yuelou discovered, several members of the city government are involved in the opium trade such as Zhao Jingming, the chief of customs and [[spoiler:Zhan Jubai, the executive director of the city's finance department]].

* EveryoneHasStandards: Bai Yiliu doesn't care that leaking confidential information caused the deaths of several police officers all because she wants to get even on Bai Jinbo. [[spoiler:However, when she overhears Zhan Jubai plotting with Bai Jinbo about conquering the city, she's horrified and tries to leave except that she gets killed for her troubles]].

* FamilyExtermination: In the past, Yu Tangchun's family was massacred when a warlord's army took over their place, leaving him as the SoleSurvivor. Yu suspects that Commander Zhan is responsible for it. [[spoiler:However, it's actually Zhan Jubai, much to Yu Tangchun's horror]].

* ForcedIntoEvil: [[spoiler:Zhan Jubai threatens Bai Jinbo with his life after drugging him which leads to the latter making a deal to help the former on his coup to conquer Jing City. Because of this, Jubai eventually learns of Yuelou's undercover mission and Yuzhi's whereabouts. When Yuelou confronts him, Bai Jinbo regrets it and tells him to be the one to save the city as he kills himself]].

** [[spoiler:Yu learns from Commander Zhan that his nephew, Zhan Jubai, is responsible for the massacre of his family, much to Yu's horror]].

* KillerFinale: The last episode killed off three of the main characters: [[spoiler:Chu Ran, Zhan Jubai, and Chen Yuzhi]].

* MistreatmentInducedBetrayal: Bai Yiliu dislikes how Bai Jinbo treats her because she looks like his late wife. Because of this, she accepts Jiang Shangnan's offer to leak secret police information [[spoiler:which led to the deaths of Sun Yongren and Song Rong]]. Later on, [[spoiler:Zhan Jubai has her drug Bai Jinbo so he can interrogate him about the location of the city's arsenal and Yuelou's true intention of joining his organization]].

** Yuelou is sent to the mental hospital after killing four people in response to his mother's death. A flashback showed that it's part of his undercover mission to meet San Ye personally.

* PleaseWakeUp: The ending has Yuelou trying to wake up Yuzhi who dies from Zhan Jubai's shot while calling his name repeateadly.

* RedHerring: Zhao Jingming is shown to be San Ye but after his arrest, it's revealed that [[spoiler:Zhan Jubai is the real San Ye]].

** [[spoiler:The alternate ending shows that Yuzhi is alive because the original ending is Yuelou's nightmare. Likewise instead of committing suicide, Zhan Jubai is arrested]].

* SpoilerOpening: The ending credits contain several spoilers such as [[spoiler:Keying being alive with Zhan Jubai being the mastermind behind her kidnapping, Commissioner Bai being tortured inside Zhan's mansion, Yuzhi recovering in the hospital after getting shot by Yuelou]].

** Episode 19 [[spoiler:reveals that San Ye is Zhan Jubai who is also responsible for the poisoning of Chief Wu and the assassination attempt on Yuelou that got Keying killed in order to sow discord between Yuelou and Yuzhi. The subsequent episode also reveals that he and his uncle are planning to take over the city]].
** Episode 24 [[spoiler:reveals that Jiang Shengnan is Yuelou's missing mother and Zhan Jubai set the mother and son against each other for his own amusement]].
** Episodes 30 and 31: [[spoiler:Yuelou shoots Yuzhi in the chest as part of his final test to meet San Ye. However, Yuelou shoots him near the heart as part of his undercover mission and to help Yuzhi lay low. Later on, Yuelou learns that Zhan Jubai is San Ye and deduces his true plan of conquering the city with his uncle]].
** Episodes 32 and 33: [[spoiler:Zhan Jubai forces Bai Jinbo to betray Yuelou by exposing his undercover mission and Yuzhi's status. To get Yuzhi to cooperate, Jubai reveals that Keying is alive as his hostage]].

** Zhong Yiren is PutOnABus [[spoiler:when Chu Ran begins her plan to expose Zhan Jubai at her wedding. It's never shown how she reacted to her friend's death]].

* YankTheDogsChain: Sun Yongren wants to get into a relationship with Zhong Yiren, Chu Ran's coworker and roommate. [[spoiler:Unfortunately, he ends dead when he inhales poisoned gas meant for Yuelou. Yiren is saddened by the news and with help from Song Rong, she visits Yongren's grace]].