Paediatrician Lorrie Ryan has been looking forward to camping with her seven-year-old nephew, Davey. It's a chance to let the fragile, sheltered boy spend time away from his nervous, overprotective parents, and have the adventure he's always wanted. But in the lush, verdant woods, Lorrie never imagines they are not alone...or that their idyllic trip will soon become a chilling nightmare of survival...In one terrifying moment, Davey disappears. The local police find no trace of him, and a desperate Lorrie turns to the one man who can help-FBI agent Stuart Saunders. Now, the hunt is on for a child growing weaker by the minute...and a cruel predator whose twisted game of cat-and-mouse has only just begun...