Something strange is going on at the University of Metroville. It starts with a stolen gradebook, but soon everyone is searching for a vanishing bicycle and a missing three-foot lizard. The mystery brings together Max, whose dad teaches at the university, Oscar, who makes deliveries for his dad's grocery store to the students, and Lily, whose mum is a university security guard. What links the three to start with are their phenomenal scooter skills, but they soon find they have great detective skills too. They are all set to become the Scooter Spies.