Clawdeen Wolf, half human and half werewolf, has recently started attending Monster High, a school for monsters in all forms. After quickly befriending her classmates Frankie Stein and Draculaura, Clawdeen feels like she has finally found a place where she can truly be herself, or so she thinks. Soon, a devious plan to destroy Monster High threatens to reveal her real identity and Clawdeen must learn to embrace her true monster heart before it's too late.
Kate Pierce is reluctantly spending Christmas with her mom’s new boyfriend and his son Jack. But when the North Pole and Christmas are threatened to be destroyed, Kate and Jack are unexpectedly pulled into a new adventure with Santa Claus.