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.

A suicidal doctor struggles to find meaning in his life while a murderer stalks the halls of his hospital.

An uptight advertising exec has his entire life in a filofax organizer which mistakenly ends up in the hands of a friendly convict who poses as him.