Fraternal twins Conner and Murphey MacMannus are on a mission from God to rid Boston of crime. However, instead of signing up for the police force, these hard-drinking Irish-American brothers take the law into their own hands a la Charles Bronson in DEATH WISH.

Heralded as saints by the city's beleaguered residents, the brothers also attract of Paul Smecker, the openly gay FBI special agent to investigate the spate of killings amongst the ranks of the Russian mafia.