When Santa Claus returns home on Christmas day after having delivered toys to children all over the world, he doesn't feel so well. He doesn't feel at all like his jolly and energetic self. He decides that a little r&r is all he needs to get him back into tip-top shape. However, Santa is unable to rest. With the help of BIG, a wise, old Tree, and trusted friend, Santa realizes why he is feeling so very blue. Santa Claus has a very big heart, however, never before had he considered how much harm the Christmas season and holiday traditions actually cause to Mother Earth, his animal friends and all living creatures. And, it is this kindness in his heart that will help him in finding a solution to this very big problem!