Mike Sweeney's new task force investigates the brutal murder of two young boys along the 401 highway corridor, while one of their own officers struggles to bury a dangerous secret. Meanwhile, Audrey and Sadie embark on a new chapter of their lives, and Mike must push himself beyond his limits to overcome a sudden tragedy that may tear his family apart forever.

• Hugh Dillon
• Louis Ferreira
• Helene Joy
• Sonya Salomaa
• Laurence Leboeuf
• Greyston Holt
• Kathleen Munroe
• Michelle Forbes