A child witnesses drug dealers murder his parents. He escapes and grows up wild in the city's slums. Years later he emerges to help the residents of the area who are being terrorized by street gangs and drug dealers.

Bobby O'Grady is a low-range member of Boston Irish gang run by Jackie O'Hara. Jackie demands absolute, total loyalty from him. When Jackie kills one of Bobby's buddies, Teddy, Bobby and others have to keep it an absolute secret, even from their and Teddy's relatives.

A prison warden, with a nasty habit of killing escapees, has teen twin daughters claiming to be pregnant. Their boyfriends marry them. The husbands' only way out of hell is to rob the money train.