The wicked waterpark of Wyoming / Rand, Johnathan

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 a WonderSplash, they are soon lost in a hidden world beneath the facility.

While on a behind-the-scenes tour of an amusement park, Madison and Griffin become lost beneath it where they must fight for their lives against strange, unearthly creatures.