In the midst of trying to legitimize his business dealings in 1979 New York and Italy, aging mafia don, Michael Corleone seeks forgiveness for his sins while taking a young protege under his wing.

Tommy Gibbs is a tough kid, raised in the ghetto, who aspires to be a kingpin criminal. As a young boy, his leg is broken by a bad cop on the take, during a pay-off gone bad. Nursing his vengeance, he rises to power in Harlem, New York. Angry at the racist society around him, both criminal and straight, he sees the acquisition of power as the solution to his rage.

Struggling to survive the murderous gang wars of Hong Kong, Tan Tung, a young martial arts street fighter, successfully takes on all challengers—until he runs up against the savage underworld empire of Hong Kong's Triad mafia. Escaping to San Francisco, he again tangles with criminal gangs, but this time fights his way to the top of the city's most feared gangster organization led by the White Dragon boss.

When two kung-fu brothers attempt to carry out a dying man's wish, they suddenly find themselves caught in a war between two rival gangs. Chow Yin and Si Fong were out for a walk when the spotted dying burglar Ting Chow Ming. Stumbling out from the bushes, Ting used his last breath to request that Chow and Si take the stolen jewels to his wife. Later, as Chow and Sii attempt to seek out Ting's wife and daughter, gangsters who have been charged with the task of recovering the stolen goods ambush them.