Bear and Mouse have finally overcome their differences and are living together in perfect harmony - until it's time to decorate the Christmas tree! Bear wants dazzling lights, while Mouse prefers gigantic baubles - and, wait a minute, did Mouse just put a manatee on the top?! A topsy-turvy tree is definitely the last straw and it looks as if Christmas is ruined. But maybe, just maybe, Bear and Mouse can reach a compromise in time?