Da Vinci is confronted with the prospect of an all-out union war when a police investigation determines that Fire and Rescue may have contributed to an officer's death. Berger and Rita scramble to line up support for the crucial slots vote. The pedophile case is complicated by the involvement of Brian Curtis and the keen interest of Chief Jacobs.

On the eve of the Prime Minister's visit, Da Vinci scrambles to line up support for the crucial slots vote and calm emotions raised by an investigation into the police instigated by the fire department. Curtis brings Leary a witness who suggests that Dubreau's pedophile ring is still active, but the case is complicated when Chief Jacobs calls for an early arrest.

A murder at the red light zone prompts calls for its closure and a lawsuit against the city. When the Complaint Commissioner is frustrated by a lack of cooperation from the police, Da Vinci starts gathering evidence against Chief Jacobs. Zack and Friedland confront one another over their mutual deceptions. The high school girl implicated in the gay-bashing death blames two adult men for the crime.