Barred by their overprotective parents from attending a rock music festival, fourteen-year-olds Ronnie, Fleur, and Claude, also known as "Les Bambinos Dangereuses," decide to stage their own music festival at Blackwell School.

Now fifteen years old, Ronnie, Fleur, and Claude, with Fleur's sister as their chaperone, are having the time of their lives at the Astlebury music festival when Fleur suddenly disappears while crowd surfing.

Geronimo Stilton and his detective friend, Hercule Poirat, investigate when Geronimo receives positive feedback at the Song Festival but fails to sell a lot of CDs.

Scooby-Doo and his friends from Mystery, Inc. go to Australia on vacation and try to determine if real vampires are haunting the Vampire Rock music festival.

Meg Langslow returns to her hometown to participate in the annual Revolutionary War reenactment and craft fair, but her vacation is ruined when a local con artist is found dead in her booth.