Directed by Michael Winner. A New York City architect becomes a one-man vigilante squad after his wife is murdered by street punks in which he randomly goes out and kills would-be muggers on the mean streets after dark.
Directed by Sergio Sollima. A hitman is double-crossed by his girlfriend and barely escapes a murder attempt. He then sets out to take his revenge on the woman and the gang boss who put her up to it.
Dir. Umberto Lenzi: A hardened cop is left for dead by the henchmen of a escapee gangster he had previously arrested, and upon recovery relentlessly pursues them.