A drugs for guns deal gone bad, results in the death of a white youth in a black neighborhood. Diane begins feeling ill and takes some lost time. The father of the victim comes to the squad and blows up screaming racial slurs when he finds out where his boy was killed. Simone and Sipowicz try to conduct their investigation in the midst of the racial turmoil that has been created in the squad room, between Fancy and the father. Medavoy and Kirkendall investigate the strangulation and dismemberment of the mother of young boy, who's discovered his mother's body in the refrigerator. Bobby worried about Diane finds her at the apartment only to find out that she has lost the baby.