Ash Keye, the energetic Mickey Mouse mascot at Disney World, Florida, finishes his shift and decides to take a shortcut through the swamp. Unfortunately, this detour turns deadly. As he walks deeper, a shadowy figure wielding a knife emerges from the darkness. Ash doesn't stand a chance. The swamp claims its first victim.
Meanwhile, a research team led by the enigmatic China Karloff arrives in the swamp. They are all named Jack, each with a specific field of expertise. Their mission: to study a newly discovered underwater civilization.
