When Joan’s husband dies, she is shocked to discover he had invented an elixir which makes the drinker look young again. Sharing it with her two friends, the three women paint the town red but soon discover that they are no longer equipped to be young in the modern world.

Arthur is the groundsman. He's a perfectionist who has lovingly tended the cricket pitch for 45 years. Now he is given a new assistant.

A Southern California kid named Calvin Fuller is magically transported to the medieval kingdom of Camelot through a crack in the ground caused by an earthquake. Once there, he learns he was summoned by the wizard Merlin, who needs Calvin to save Camelot. Using dazzling modern inventions, can Calvin help King Arthur retain his crown and thwart the evil Lord Belasco?