Fourteen-year-old Henry, wishing to honor his brother Franklin's dying wish, sets out to hike Maine's Mount Katahdin with his best friend and dog. But fate adds another companion--the Cambodian refugee accused of fatally injuring Franklin--and reveals troubles that predate the accident.

"Summer, 1518. A strange sickness sweeps through Strasbourg: women dance in the streets, some until they fall down dead. As rumors of witchcraft spread, suspicion turns toward Lavinia and her family, and Lavinia may have to do the unimaginable to save herself and everyone she loves. Five centuries later, a pair of red shoes seal to Rosella Oliva's feet, making her dance uncontrollably. They draw her toward a boy who knows the dancing fever's history...