Debbie is called to Yonderland when the Elders hear news that a vicious monster is placing the last survivor of a noble species at risk.

Debbie and the Elders attempt to break Negatus out of jail on their way to confront Cuddly Dick about the mysterious disappearance of Yonderland's citizens.

It's the night before 'Thanktival', Yonderland's version of Christmas. But amid the joy lurks a monster called Chompus, who eats all the presents in the realm.