Bugsy Siegel, The Jewish gangster with charm and a killer's instinct, plays hard and dreams big. He's got a vision to build a gambling mecca in the Nevada desert; but when he stops playing by the Mafia's rules, Bugsy pays the ultimate price.

Florida and Cuba were ruled by top don Santo Trafficante. The King of Cuba's casinos was on the verge of mob stardom when a revolution destroys his plans. It results in a secret alliance between the mob and the CIA and a failed assassination attempt.