It follows a Texas Ranger Jane as he is recruited by British Intelligence to track down a dangerous terrorist and stop him from attacking London.

二战中，一群撤退到敦刻尔克的英军被德军俘虏，为了活命，他们当中的一位著名英国拳击手，被迫与德军中的一位才华横溢的拳击手对抗。