History Recap / CSINYS09E16

* ValentinesDayViolence: The episode shows the team splitting up in three to solve three cases on Valentine's Day. All have a degree of ironic love themes ultimately culminating in violence, best illustrated by "In The Name Of Love." An apparent Ugly Guy / Hot Wife combination turns out to have been a murder by the wife, who became obsessed with the thought that her husband was cheating on her -- because he put a passcode on his phone. He had actually been planning for a trip for them to take together.

* ClingyJealousGirl: The wife of an overweight man thinks younger, prettier women are lusting after him and kills him to prevent him from leaving her for one whom she'd never even laid eyes on. Turns out the woman is just a travel agent and looks to be in her 50's.

* MistakenForCheating: The husband suspected of cheating is actually trying to secretly plan a dream vacation to surprise his wife on their firth wedding anniversary.

* ValentinesDayViolence: The episode shows the team splitting up in three to solve three cases on Valentine's Day. All have a degree of ironic love themes ultimately culminating in violence, best illustrated by "In The Name Of Love." An apparently UglyGuyHotWife combination turns out to have been a murder by the ClingyJealousGirl wife, who became obsessed with the thought that her husband was cheating on her -- because he put a passcode on his phone. He had actually been planning for a trip for them to take together.

* DanceOfRomance: Mac & Christine slow dance to "Happy in My Heartache" by Music/JoshGroban as the episode ends.
* FormerlyFat: Sheldon reveals to Danny that he used to be severely overweight and shows him an old picture of himself that he carries around as a reminder. Danny wants to keep it, Sheldon wisely refuses to let him.

* MistakenForCheating: The husband suspected of cheating is actually trying to secretly plan a dream vacation for himself and his wife.
* OnscreenChapterTitles: In the only instance in the entire series, each case is given a title separate from the episode itself. They are shown onscreen as each begins. The titles are "Love for Sale," "Love Is Blind," and "In the Name of Love."

* TamperingWithFoodAndDrink: The diabetic also receives a box labeled sugar-free candy but which had been swapped out for the regular kind. He eats the whole box.

* ValentinesDayEpisode: Obviously, it even aired the day after the actual holiday. The three canon couples all have romantic moments. Adam also leaves for a date with Michelle.

* MedicationTampering: One victim's insulin is swapped out for sugar water.
* MistakenForCheating / LoveMakesYouCrazy: One guy's wife is so jealous that she kills him because she thinks he's cheating on her when he's actually trying to plan their dream vacation in secret.

* ThreeShorts: The stories of the three victims are told in sequence, complete with title cards (although the team's personal situations are interspersed throughout). The titles are "Love for Sale," "Love Is Blind," and "In the Name of Love."

* FormerlyFat: Sheldon reveals to Danny that he used to be severely overweight.

* MedicationTampering: One victim's insulin was swapped out for sugar water.
* MistakenForCheating / LoveMakesYouCrazy: One guy's wife was so jealous that she killed him because she thought he was cheating on her when he was actually trying to plan their dream vacation in secret.

* TamperingWithFoodAndDrink: The diabetic also had sugar-free candy swapped out for the regular kind. He ate the whole box.
* ThreeShorts: The stories of the three victims are told in sequence, complete with title cards (although the team's personal situations are interspersed throughout).
* UglyGuyHotWife: The couple in one of the cases is an overweight guy and his pretty, petite wife.
* ValentinesDayEpisode: Obviously. The three canon couples all have romantic moments. Adam also leaves for a date.

* UglyGuyHotWife: The couple in one of the cases.

* MistakenForCheating / LoveMakesYouCrazy: One guy's wife was so jealous that [[spoiler: she killed him]] because she thought he was cheating on her when he was actually trying to plan their dream vacation in secret.

* ThreeShot: The stories of the three victims are told in sequence, complete with title cards (although the team's personal situations are interspersed throughout).

!Trivia for the episode:
* AsHimself: Music/JoshGroban performs at the club Christine and Mac end up at for their date.

* MistakenForCheating / LoveMakesYouCrazy: One guy's wife was so jealous, she thought he was cheating on her when he was actually trying to plan their dream vacation in secret.

Valentine's Day. Three crime scenes. Three dead men. Three different motives. One busy team. Meanwhile, everyone's making and/or changing their plans for the evening.

* ValentinesDayEpisode: Obviously.