Episode Detail: Forgive but Don't Forget - Hack
Mike's loyalty is questioned when an investigator from the Internal Affairs Bureau starts poking around for information about whether Marcellus may have pocketed drug money. In a twist of fate, Marcellus is assigned to solve the shooting of the IAB investigator's 8-year-old son. Also, Mike Jr. is upset after finding his parents' divorce papers; and Grizz struggles to maintain his objectivity when an old flame (Lindsay Crouse) announces that her marriage is breaking up. Badakian: Nick Mancuso.