Pixi Post is an elf girl who lives in Arbolié, a secret place hidden in Anctartic where live all spirits of the Christmas like Santa Claus, Three Wise Men, Olentzero and Hoteiosho, between them. After to discover that this last one missed, the forum of the Christmas’ spirits chose Pixi in order to find him. Disguised as a human and working in a mail company called Mezzenger, Pixi tries locate Hoteiosho before the arrival of the next Christmas, discovering that the guilty is Monopolish, a former Christmas’ spirit exiled from Arbolié centuries ago who now live between humans as president of a company called Worldini Inc., trying to turn his former partners in advertising posters and locate Arbolié to hold the great tree and recover his magical powers. With help of Olentzero, Snegurochka, Santa Claus, the other spirits and a human child called Quepa, Pixi will tries to defeat Monopolish before it will be too late…