Moomintroll decides to stay awake to explore the winter instead of having his winter slumber as usually. Winter is certainly totally different than he had imagined.
A film about two mortal enemies - a little Mouse and a Fox, who after an unfortunate accident, meet in animal heaven. They lose their natural instincts and become best friends. Their wish to stay together after they return to earth comes true, but they are reborn into opposite roles. Thanks to the power of friendship they can even overcome what seems to be impossible.
Fleeing from despair after losing those dearest to him, the hero hides in a safe land of memories, where time stands still and all those dear to him are alive.