McDowell crosses the line with the daughter she gave up for adoption, Sipowicz and Gibson investigate two young men found dead in a gang hangout, and Medavoy and Jones are on the case of a woman found buried in concrete right after the 9/11 attacks— whose lover was in the construction business.

A series of robberies at massage parlors forces Andy to work with his nemesis and his partner's father John Clark Sr., and Clark Sr. doesn't miss an opportunity to flaunt his by-the-book approach and put down Andy's whatever-it-takes pursuit. The other cops are unhappy when they have to investigate two good Samaritans who beat a mugger to death, Rita continues to face harassment from her jerk husband, and Valerie tells Baldwin she's pregnant.