Mafia hijinks provide the basis of this violent crime drama. The trouble begins the night before an uneasy truce between the warring Malucci family and the Diamonds is to begin. A volatile gang member starts it all when he launches a dirty surprise attack upon the Maluccis, thereby breaching the code of honor. Among the dead is the fiancee of Dino Diamond's chief arm-breaker, aspiring fighter Fist Sullivan. After Sullivan is framed for the killing by a corrupt cop working for double-crossing Dino, he vows revenge. But he is in jail. One of the Maluccis busts him out. Now working for the enemy, Sullivan, and his turncoat surrogate daughter Alex, who witnessed the fiancee's murder, sets out to avenge the death of his beloved.