The Grinch is a nasty character who lives on Mount Crumpet. He hates Christmas and everything about it. One day, he hatches a plan to steal all the presents and decorations from the Whos in Whoville. He breaks into every house and takes everything he can carry. But when he sees how happy the Whos are, even without all the decorations and presents, he realizes that Christmas is not about the gifts, but about love and joy. So he returns everything he took, and they all live happily ever after.