At the center of the family story is 13-year-old titular protagonist Madison, for whom cycle racing means just everything! She gives her all to emulate her cool and successful cycle-pro father. But when the talented and ambitious young racer has to unwillingly swap saddles for a mountain bike, things go haywire.

Friends Franzi, Marieave and Kim planned to spend the summer rehearsing for a Peter Pan play, but when strange things start to happen at the theatre they take on the role of investigators.