At the annual Wayne science fair, Olly accidentally turns himself into a fly! But when he discovers that the Spy is using Saraline's latest science project to steal the Arcsine's powers, it's Olly Fly to the rescue!

Team Timbers travels inside a magical book that takes them back to when Olly was a baby. But when Olly breaks the book's rules, he may lose his little sister Saraline forever!