A psychotic killer (Helmut Berger) engineers a daring escape from prison with the aid of three henchmen and then seeks revenge on those who betrayed him. He quickly kidnaps an informant's girlfriend (Marisa Mell) and embarks on a terror spree, forcing the hapless woman to become his accomplice in murder. It's the "Stockholm Syndrome" gone berserk. Question is, will this mad dog ever be leashed again?