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 famous opera singer, Giorgio Fini, loses his voice during an American tour. He goes to a female throat specialist, Pamela Taylor, whom he falls in love with.
A New York hooker tries to keep her daughter out of the clutches of the mobsters she works for.
