Jack Frost, the spirit of winter. The Guardian of Fun. Working together with the Tooth Fairy, the Easter Bunny, Sandman and Santa Claus, he helps bring joy and wonder and fun to children around the world who believe.

But to each other, they are known as Jack, Tooth, Bunnymund, Sandy and North. Throughout the year, they keep the children happy, and keep them believing.

But an enemy rises. Faster than expected, Pitch Black rises again. A new Guardian is chosen to help defeat him. But this time, things are a little bit different. It's understood if she wouldn't want to join the Guardians to help them. But what happens if Pitch gets to her first?