When Church misbehaves on a drug bust and is accused of corruption by an unnamed informant, he is investigated by Internal Affairs. The Undercover team unearth evidence that an IA cop is framing Church.

Angie goes undercover as the long-lost daughter of contract killer William Franks. A notorious assassin, Franks hasn't seen his daughter since she was a three years old when he was imprisoned for the murder of his wife.