To take down South Boston's Irish Mafia, the police send in one of their own to infiltrate the underworld, not realizing the syndicate has done likewise. While an undercover cop curries favor with the mob kingpin, a career criminal rises through the police ranks. But both sides soon discover there's a mole among them.

In 1863, Amsterdam Vallon returns to the Five Points of America to seek vengeance against the psychotic gangland kingpin, Bill the Butcher, who murdered his father years earlier. With an eager pickpocket by his side and a whole new army, Vallon fights his way to seek vengeance on the Butcher and restore peace in the area.

When assassins kill the patriarch of London's reigning crime family, rivals in the international underworld go to war over control of the city.

麦卢斯基家族是密歇根州金斯敦的权力掮客，致力于解决系统性种族主义、腐败和不平等的问题——在那里，监禁业务是唯一蓬勃发展的行业。