Paul Kersey, the vigilante, now lives in LA with his daughter, who is still recovering from her attack. He also has a new woman in his life. One day while with them, Kersey is mugged by some punks, Kersey fights back, but they get away. The leader, wanting to get back at Kersey, goes to his house, but Kersey and his daughter Carol are not there. The muggers rape his housekeeper, and when Kersey and his daughter arrive, they knock him out and kidnap her. After they assault her, she leaps out of a...

Taylor and two other astronauts come out of deep hibernation to find that their ship has crashed. Escaping with little more than clothes they find that they have landed on a planet where men are pre-lingual and uncivilized while apes have learned speech and technology. Taylor is captured and taken to the city of the apes after damaging his throat so that he is silent and cannot communicate with the apes.