Donovan is forced to reveal his secret work about working with Internal Affairs for the last 15 years to the rest of the precinct before it becomes common knowledge after he finally blows the whistle on the crooked IA Lieutenant Gordon Denton. His fellow officers have differing reactions to this news. But most of them, including Johnson, Nona Valentine, Lowery, and Roussakoff, feeling betrayed and angry, plot their next move against Donovan. Donovan refuses to give a reason for his involvement for IAB despite Jonas advice as well as Santoro's questioning on why, while he also tells Kersey to keep her distance to him in the light of his revelation. Meanwhile, Doyle and MacElwaine are called to the scene of a homicide when an apartment building tenant is founded murdered. Their prime suspect becomes the building landlord whom was working with the precinct to evict his tenants to turn his building into expensive lawyer apartments. Also, Nona ends whatever romance she has with Johnson for...