Claire Matthews normally kept to herself and thought nothing of her surroundings. But on her routine route home from school, a tall chain-link fence covered with signs that read NO TRESPASSING and WARNING: THIS PROPERTY IS PATROLLED BY SECURITY always caught her attention. One January afternoon, a boy's voice, shrouded in pain and desperation, cried for help from within the fence. Her heart was suddenly injected with panic, but she found herself anchored to the ground ....