An alien creature invades New York's punk subculture in its search for an opiate released by the brain during an orgasm.

With Fred Williamson as director and star of Mr. Mean, is there any question as to the identity of the title character? Williamson plays a former Cosa Nostra henchman who seeks greener pastures. Hiring himself out as a hit man, he immediately lands a job. His mission: wipe out his old boss. Filmed in Italy, Mr. Mean certainly fulfills audience expectations

Lucky Luciano is one of the bosses of the Mafia. He orders the slaughter of 40 other responsibles, therefore becoming the only boss. But a few years later he is put into jail. In 1946, he got a pardon and is sent back to Sicilia. There, he begins becoming one of the chief of the Mafia. The US Army seems to refrain from interfering.