A masked killer stalks an institution for mentally disturbed rich women.

Two bounty hunters are in pursuit of “El Indio,” one of the most wanted fugitives in the western territories, and his gang.

Just out of prison, ex-con Ugo Piazza meets his former employer, a psychopathic gangster Rocco who enjoys sick violence and torture. Both the gangsters and the police believe Ugo has hidden $300,000 that should have gone to an American drug syndicate boss.