A Boston police officer goes to Nantucket to investigate the murder of his partner, but he finds more than he bargained for.

In early 1980s Manhattan, a pair of Irish-American brothers become embroiled in a conflict with the Irish Mob.

South Boston Irish bad boy Danny Quinn returns back home from New York and gets stuck between his pals, who are supported by one Irish mafia clan, and his family, which are members of another.

A gangster, Nino, is in the Cash Money Brothers, making a million dollars every week selling crack. A cop, Scotty, discovers that the only way to infiltrate the gang is to become a dealer himself.