The old age pensioners that left at the end of the first film come back to earth to visit their relatives. Will they all decide to go back to the planet where no-one grows old, or will they be tempted to stay back on earth?
After discovering that the planet ruled by apes which he had arrived on was really post-nuclear
Earth in the future, US astronaut Taylor disappears while exploring the Forbidden Zone with his
new mate Nova leaving her behind....