The Family Way Ii: Underworld War One! Batman and Superman have gone undercover inside different drug gangs in conflict. Unfortunately, Batman is discovered by Cheapjack and his thugs, who knock him unconscious and proceed to attack the Massamino gang. Superman, who was undercover of that gang is forced to intervene and stop the criminals from killing each other. After the police shows up and rounds up the crooks, Superman returns to Cheapjack's headquarters, where Batman has already recovered. The remaining members of the Massamino gang also head to Cheapjacks' place and the criminals start fighting one another. In order to win the fight, Cheapjack uses a giant truck against his enemies. The heroes then rescue the girl that Cheapjack kidnapped only to learn that she has become a rebel and won't return home. Infuriated by the outcome, Superman destroys Cheapjack's truck and the gang war is ended when the authorities arrive to arrest the crooks.