S5, E5: After tracking a handgun found at a frat house brawl, 15 Division decides to go undercover at the club-land bar that’s supplying the illegal handguns. During the UC operation, Dov can’t help but notice Chris’s jumpy, nervous behavior – and when Chris goes to extreme lengths to ensure a specific drug dealer walks away without charge, Dov if left wondering just what is going on with his friend. In the meantime, Andy is devastated to learn that allegations made by her flamed-out rookie, Duncan, mean she has to sit out the night’s activities. Andy offers to help Sam with his missing person’s case, and he gets her to deal with her frustration as they sift through the missing man’s life – which then takes a dark and unfortunate turn.