The Violent Four

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.

When Joe Valachi has a price put on his head by Don Vito Genovese, he must take desperate steps to protect himself while in prison. An unsuccessful attempt to slit his throat puts him over the edge to break the sacred code of silence.

Billy Wong is a New York City cop whose partner is gunned down during a robbery. Billy and his new partner, Danny Garoni, are working security at a fashion show when a wealthy man's daughter, Laura Shapiro, is kidnapped. The Federal authorities suspect that Laura's father is involved with Mr. Ko, a Hong Kong drug kingpin, so the NYC police commissioner sends the two cops to Hong Kong to investigate.

Obsessive master thief Neil McCauley leads a top-notch crew on various daring heists throughout Los Angeles while determined detective Vincent Hanna pursues him without rest. Each man recognizes and respects the ability and the dedication of the other even though they are aware their cat-and-mouse game may end in violence.