In the house of Mr. Hopkins, a wonderful mouse family lived secretly: Daddy Mouse, Mommy Mouse and their children: Willy, Milly, Tilly and Dilly the fidget. But one day Mr. Hopkins got a cat. How now to visit the pantry at night? And it's Christmas time, and I really, really need to get butter for the Christmas cake. But Papa Mouse always has a brilliant idea in reserve. So Mr. Cat met the Magic Pot, singing funny songs ...