Santa doesn’t want to retire, but rules are rules and he must train someone to replace him. The lucky winner, to be chosen from among millions of children, must be named Nicholas, be an orphan and have a pure heart. On the other side of the planet, there is a little boy who is a perfect match, but his lack of self-confidence and fear of heights make him a poor contestant. Will Santa agree to step down, and help his apprentice take his place?

When a faun named Mune becomes the Guardian of the Moon, little did he had unprepared experience with the Moon and an accident that could put both the Moon and the Sun in danger, including a corrupt titan named Necross who wants the Sun for himself and placing the balance of night and day in great peril. Now with the help of a wax-child named Glim and the warrior, Sohone who also became the Sun Guardian, they go out on an exciting journey to get the Sun back and restore the Moon to their rightful place in the sky.

A young boy named Nicholas is about to become the next Santa Claus, but must first avoid a crisis that’s threatening the magic of Christmas before he can succeed in his new role.