It's a night of thrills and chills for Freddie Fernortner, fearless first grader! When he and his pals decide to read scary stories after dark, they don't realize just how spookythings are going to get ... especially when there might be a super-scary night thingy lurking close by!

"In Casper, Wyoming, a new waterpark is ready to open. Hundreds of people from all over will be attending the grand opening. Including Madison Armstrong and her friend, Griffin Claremont. But WonderSplash holds a sinister secret that no one is supposed to know about. When Madison and Griffin have the opportunity to take a guided tour of the waterpark the day before it opens, they jump at the chance. But instead of getting a behind-the-scenes look...