'The Bomb' is a missing file on a politician that was leaked to the press. The Unit is put into Lockdown while Internal Affairs Superintendent Sam Mitchell tries to find out who was responsible for the leak.
Inspector Tucker comes to Calgary to ask Cpl De Luzio to join his new terrorist task force in Toronto. She writes her Sergeant's Exam in order to qualify for the position. In the meantime, Inspector Fellows is back to offer Tom Stone a 'consulting' job with the promise of other jobs in the future if he does well on this one. Last show of the series.