Baffled at the series of strange, unexplained events taking place at summer camp in the desert wilderness, twelve-year-old Billy considers escaping the horrors forever.

Unable to make friends with her hostile bunkmates, Sarah decides to stage an accident to make everyone feel sorry for her, but the plan goes awry when a dangerous ghost named Della decides to keep Sarah for an eternal friend.

This summer Max is going to Camp Snake Lake-where he will have to swim in a lake filled with poisonous snakes - where a Headless Ghost roams the fields - where he and his mostly ghostly friends Nicky and Tara will continue the dangerous search for Nicky and Tara's parents. But first Max will have to face the evil spirit Phears again. Can Max learn the secret that will destroy this most terrifying ghoul for good?