The sun is out. Your little boy is smiling. The next time you look... he's gone.Lana Cross would do anything to protect her perfect family but on a trip to an adventure park, they slip out of her sight. When she finds her husband, he's out cold on the forest floor. Then the truth sinks in: Cooper, her four-year-old son, is missing.No one stopped the man carrying the sleeping boy. The park cameras don't show where he went. Then Lana receives an anonymous message, telling her to visit a local school with a horrifying history...This is no random attack. Whoever took Cooper is playing a twisted game, and if Lana wants to find him, she must participate.How could there be a link between the school and her missing son? And can Lana find her little boy before it's too late?