Mannion investigates a series of robberies where pharmaceuticals, most of them for AIDS, are stolen. In other events, Temple worries about taking a random drug test since he failed to report using cocaine while undercover and Debreno is won by a mayoral candidate in a charity bachelor auction.

Mannion gets another chance to capture a contract killer who eluded him 25 years ago when the chief learns the hitman is in D.C. In other events, Nancy gets hurt while pursuing a purse snatcher and receives more bad news in the hospital, Kendall has to apologize for allowing her picture to be taken with a mayoral candidate who's critical of the police department and Ella begins to question whether she should get married.