The story is set in the basement of the Natural History Museum. Dr. Vander Plastercaster (Please, just call me Doc) is about to give the audience a behind the scenes tour of a new dinosaur exhibit, when she finds a mysterious box. "It was supposed to be filled with fossils, but it was empty!" Enter Detective Joe Kafootsie, Special Forces: Strange Phenomena Detail. He’s found a giant shoe and thinks it might belong to a dinosaur! Suddenly dinosaurs begin appearing with messages from a mysterious character named Tootsie. Who is Tootsie? What do the messages mean? What’s going on? It’s all part of the great, great, great, great, Great Dinosaur Mystery.