Christopher Sproyngeez and Deedlekin Doll are dying to visit the World's Biggest Mall. When their parents go off on a shopping spree, Chris and Deedle grow tired of waiting, and use an array of secret powers to fly through the mall's atrium, with Deedlekin changing identities as the mood suits her. The family learns life lessons about the values of being patient, staying calm in emergencies, and ultimately, about the lure of materialism.