Forced against her will to attend a summer camp for sick children, Lizzie Miller is already expecting to have a bad time. But when she discovers that Camp Everbee has been used to dump toxic waste from a hospital, she realizes that forced cheeriness and paddling excursions are the least of her problems. Something deadly is lurking in the forest at Camp Everbee, something that has already begun to infect new hosts. Soon, Lizzie and her new friends...