Detective Cameron Quinn and ex-con Danny Rooney lead parallel lives on opposite sides of the law.
Quinn finds a photograph that links crime boss Dugan with Capt. Geary ; Murtha offers Rooney a union card.
Dugan sets up Murtha; Elli overdoses on heroin; Theresa infiltrates the Easies
Quinn learns Lonnie the snitch is a former cop; Danny views the contents of Murtha's freezer.
During a stripper audition, Mrs. Dog Face shoots up the Sweet Spot but misses her target, crime boss Jimmy Murtha; Elli takes to the streets.
Quinn arrests Elli for prostitution; Mayor Davidson calls for a casino vote; Murtha tries to kill Leo.
A ballistics report links Murtha to the gun that killed Quinn's partner.
Theresa prompts Murtha to find out who planted the gun that killed Quinn's partner; Capt. Geary's past comes to light; Danny gets further indebted to Murtha.
Quinn finds Murtha's freezer; the Easys mourn Mr. Kinnear; Elli skips town; the mayor checks into rehab.