Mafia flunky Joey Gazelle is ordered to dispose of the guns that killed a pair of policemen. He hides them in his basement, where they are found by Oleg, the kid from next door, who uses one to shoot his brutal stepfather, a Russian mobster. The boy runs off, and Joey pursues him into the criminal underworld, desperate to retrieve the incriminating weapon. Meanwhile, corrupt detective Rydell is following Joey's trail with his own agenda.