When a group of trespassing seniors swim in a pool containing alien cocoons, they find themselves energized with youthful vigor.
A plane is hijacked and bound for London. Once the terrorists begin killing hostages, the passengers take matters into their own hands.
The reinvigorated elderly group that left Earth comes back 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 remain on Earth?
Arthur, that irrepressible drunk, tries to sober up and get a job. Meanwhile, Ralph Marolla is conniving to trick the hapless boozer into marrying his daughter so he can gain entrée to Arthur's $750 million fortune.