Architect/vigilante Paul Kersey arrives back in New York City and is forcibly recruited by a crooked police chief to fight street crime caused by a large gang terrorizing the neighborhoods.

A teenaged girl discovers that her stepfather is trying to murder her and her mother, but when she tells people, no one will believe her.

Paul Kersey is again a vigilante trying to find five punks who murdered his housekeeper and daughter in Los Angeles.

After his wife is murdered by street punks, a pacifistic New York City architect becomes a one-man vigilante squad, prowling the streets for would-be muggers after dark.