Tired of the crime overrunning the streets of Boston, Irish Catholic twin brothers Conner and Murphy are inspired by their faith to cleanse their hometown of evil with their own brand of zealous vigilante justice. As they hunt down and kill one notorious gangster after another, they become controversial folk heroes in the community. But Paul Smecker, an eccentric FBI agent, is fast closing in on their blood-soaked trail.
When word hits the street that a nearby elderly gentleman has a cache of old, rare, and very valuable mint condition comic books, rival comic book shop owners Raymond McGillicuddy (Donal Logue) and Norman Link (Michael Rapaport) both set out to be the first to buy them. But when the old man declines to sell, the former friends turn into enemies, and a friendly rivalry becomes tainted with greed and turns to murder.
An insurance salesman's humdrum existence takes a turn when a stranger, ex-con Auggie Rose, unexpectedly dies in his arms. Assuming the identity of the dead man, the salesman embarks on a double life, keeping it secret from his live-in girlfriend.
