Sipowicz and Sorenson are disgusted by two cops who may have beaten a man to death and expect investigators to cover for them when their stories don't pan out. Meanwhile, a grieving Sipowicz and his young son, Theo, struggle to adjust to life at home without Sylvia; and despite her better judgment, Detective Jill Kirkendall contemplates a reunion with her ex-husband Don. Danny meets a uniformed officer named Mary Franco and they hook up in a limited, awkward fashion.