The repercussions of Hopkins' death in the station continue as Internal Affairs investigates when a dubious witness comes forward who claims that he saw the wounded Hopkins being beaten while in police custody. While both Donovan and Santoro deal with the wary Captain Sorella, who does not want bad publicity because of the incident, Hopkins' black racist sister and conspiracy theorist, Mavis, brings in her own lawyer, the fanatic Wendell Ford, to find out who "murdered" her brother. Lt. Stan Jonas from the hated Internal Affairs Bureau (IAB) arrives again at the 74th Precinct to interview all the participants of the gun battle where Officer Nona Valentine thinks she incriminated her hot-headed partner, Officer Jack Lowery, over a slip she made about him slapping Hopkins. Lowery continues dealing with his needy and selfish wife, Yvonne, who tries to persuade him to give her more spending money. Sgt. Donovan is wary about Jonas presence because Jonas happens to be Donovan's secret ...