Mean Johnny Barrows (1975)

A soldier haunted by his past in Vietnam finds himself pulled into a brutal conflict between two treacherous mob factions. After witnessing a deadly betrayal, he becomes a target, forced to navigate a world of shifting loyalties and violent power struggles. With his combat instincts and survival skills, he must outmaneuver the double-crossers and their ruthless allies, all while confronting the demons that followed him home from the war.