Jake is forced to team up with his fugitive former partner Kevin Crocker who?s determined to clear his name; Leslie must step up when a colleague is attacked; Des wrestles over telling Jake an important secret.
Jake and Des team up with Toronto Policeman, Bill Murdoch (Yannick Bisson) after discovering a severed foot in a storage locker; Leslie shoulders the weight of new responsibility; Mal avoids unwanted family obligations.
Jake and Mal investigate death threats surrounding a construction magnate and her airport expansion. Recently released ex-Mayor William Cadigan Clarke is back and looking to settle old scores bringing Jake and Leslie together to uncover Clarke's plans. Rose and Des discover something missing from the Doyle office safe.
Jake must keep his loose-cannon bail benefactor in check while chasing a dodgy money trail; Leslie returns to work but with some conditions; Sloan's decisions force Jake into making a deal with the devil.
Jake and Leslie fight for their lives as their enemies close ranks. They have to pull out every trick in the book to protect themselves, and receive help from a unexpected ally. But it soon gets down to the wire to clear Jake's name and secure freedom in the City of Legends.