'The world had teeth and it could bite you with them anytime it wanted. Trisha McFarland discovered this when she was nine years old. Trying not to be terrified. Trying not to think that sometimes when people got lost in the woods they got seriously hurt. Sometimes they died.' In Trisha's panic to get back on the track, she takes turnings which lead her deeper and deeper into the woods. With only a small amount of food and water in her knapsack, she begins to give up hope of ever getting out. Alive. The only thing that keeps her going is her Walkman on which she listens avidly to Red Sox baseball games, creating an imaginary friendship with her hero Tom Gordon. And as she struggles for survival and a way out, she realises she's not alone. There's something else in the woods - and it's watching her...