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 ornaments. Did Mouse just put a manatee on the top of the tree? After Bear attempts an upside-down tree, it looks as if Christmas might be ruined for the pair. But maybe, just maybe, Bear and Mouse can reach a compromise in the spirit of the season.