Astrophysicist David Sumner (Dustin Hoffman) and wife, Amy (Susan George), move to England to get away from the violence in America. But the Sumners learn that things are no better on the other side of the pond when local construction workers intimidate and exploit the couple. The trouble turns into a bloody battle when David -- who discovers a feral and vicious side of himself -- is forced to defend his home after Amy gets raped.