Told that they will have to move out of their Harlem brownstone just after Christmas, the five Vanderbeeker children, ages four to twelve, decide to change their reclusive landlord's mind.
When her first two attempts to help a monster with his embarassing problem go awry, Zoey and Sassafras will have to find a solution quick if Gorp is to make it to the annual monster ball.
After discovering that injured animals come to the barn in her backyard for help, it is up to Zoey and her cat Sassafras to help new arrival Marshmallow, a sick baby dragon.