Dustin Strauss and his sister, Brianne, are sure something weird is going on at their local museum. Their friend Tim disappeared after he was caught drawing a mustache on a statue. The new security guard looks like an ancient warrior. Every day a different statue is missing. And then there's the curator, Thaddeus Stone, who hates kids and spends his nights working in the museum... When the class bully disappears, Dustin and Brianne plan to sneak into the museum to look for proof they can show to the police. But a terrifying chase through the darkened museum only brings them face-to-face with an ancient evil!