Adam and Caithlin's German Shepherd, Bailey, suddenly goes missing. Before they know it, the kids are thrown into a mystery they don't know how to solve! Brother and sister, Adam and Caithlin, have never gotten along. Adam, age twelve, enjoys being on his computer and using his sense of humor. Caithlin, age ten, is a science nerd who loves shows about animals. About the only thing they can agree on is that their new German shepherd, Bailey, is the best. But everything changes for the brother and sister when they find a wolf tooth while on a family camping trip. Can Adam and Caithlin work together to find out if the wolf tooth has magical power