Action icon Scott Adkins stars as Thomas McKenzie, a highly trained former DEA agent, hiding in a witness protection program in London with his daughter. His world is turned upside down when a group of thug's break into his home and he is forced to kill them. His arrest exposes his true identity to the criminal underworld, including mob boss Cooper (James Cosmo), McKenzie's arch-enemy and father-in-law. Cooper sends top assassin, Bishop (WWE Superstar Wade Barrett), to kill McKenzie. The two battle it out through the streets of London in a deadly game of cat and mouse. Can McKenzie survive and keep his daughter alive long enough to see her again?