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 pragmatic U.S. Marine observes the dehumanizing effects the U.S.-Vietnam War has on his fellow recruits from their brutal boot camp training to the bloody street fighting in Hue.

A washed up, alcoholic ex-prizefighter makes a comeback to boxing after his top heavyweight contender son is wrongfully blinded in the ring.