The past can never be left behind... Toronto is a bustling city full of light and life until shadows fall on the world of Tommy Robertson and Detective Ron Gilman. Terror strikes Tommy when he receives a foreboding telephone call, "I'm coming for you," the woman says with a cool disdain, her intentions rife with vicious malice. Ron arrived home to discover his wife has been brutally murdered. Under her severed finger, wedding band still nestled just below the knuckle, lays a note written in the blood of his dearly departed wife, "I'm coming for you," it reads. Gripped with crippling grief, his cellphone rang. Ron answered it to a woman telling him that his son, Benny, is dead. Now, Ron and Tommy struggle to stay alive themselves while trying to discover what exactly happened to Benny. Their pasts have returned and they cannot be escaped.