Please don't list this on a work's page as a trope. Examples can go on the work's YMMV tab.
Tear Jerker: Ripper Street
Hobb's death. A nervous young man who was beginning to really show his potential under the guidance of the main trio, was killed trying to save the woman he had been assigned to watch. Worse, he knew exactly how he was going to die and that there was nothing he could do to stop it. He was able to grab a clue before being paralyzed.
"The Weight of One Man's Heart", was just completely horrible for Drake. His old army friends pressure him into crime, when he does the right thing, it results in a bloodbath that causes him to relive the trauma of war, then his close friend commits suicide right in front of him. Then, at the end, just when he thinks things will get better, Rose rejects him.