A week's work apple-picking in the mountains sounds great to Teen Power gang. Sunny especially loves the idea of getting out of the city. Chilly autumn weather won't bother her. She's looking foward to some peace and quiet.
But the little town of Riddlevale turns out to be far from peaceful. In fact, Riddlevale is a very dangerous place. Soon the kids will be caught in a mystery that's as thick and frightening as the mountain mists.
And it will take all Sunny's courage to get them out.
