When the class clown, Jimmy, finds a doorway to a world populated by giants, it does not take him long to befriend a young, vegetarian giant girl who lives there. However, when his new friend is locked in the cellar by her monstrous, man-eating father until she agrees to eat a human, Jimmy decides to do something to save her. Armed with an encyclopaedic knowledge of practical jokes and aided by a group of primitive humans living in the stonework, Jimmy intends to pull off the biggest prank in history. Can he convince the giant to change his ways?
When the class clown, Jimmy, finds a doorway to a world populated by giants, it does not take him long to befriend a young, vegetarian giant girl who lives there. However, when his new friend is locked in the cellar by her monstrous, man-eating father until she agrees to eat a human, Jimmy decides to do something to save her. Armed with an encyclopaedic knowledge of practical jokes and aided by a group of primitive humans living in the stonework, Jimmy intends to pull off the biggest prank in history. Can he convince the giant to change his ways?