In New York City, an insolent pickpocket, Skip McCoy, inadvertently sets off a chain of events when he targets ex-prostitute Candy and steals her wallet. Unaware that she has been making deliveries of highly classified information to the communists, Candy, who has been trailed by FBI agents for months in hopes of nabbing the spy ringleader, is sent by her ex-boyfriend, Joey, to find Skip and retrieve the valuable microfilm he now holds.

When a young woman's skeletal remains turn up on a Massachusetts beach, Barnstable cop Peter Moralas teams with Boston police and uses forensics, with the help of a Harvard professor, to determine the woman's identity, how she died, and who killed her.

Nick Garcos comes back from his tour of duty in World War II planning to settle down with his girlfriend, Polly Faber. He learns, however, that his father was recently beaten and burglarized by mob-connected trucker Mike Figlia, and Nick resolves to get even. He partners with prostitute Rica, and together they go after Mike, all the while getting pulled further into the local crime underworld.

Jessie, a young working class woman, seeks to improve her life by marrying her boyfriend, only to find out that he is no better than what she left behind.