d about a weekend Girl Scout campout with big sister Avery and her friend Pari. But when Ella's sash goes missing shortly after their arrival, Ella becomes suspicious. Who took it? Was it another camper, or someone (or something!) else? Soon, the girls are drawn into an even greater mystery involving a mysterious madam, a ludicrous legend, and even a freaky, five-legged frog! What's really going on at Cryptic Lake