You had just wanted to go out for a hike, to clear your head, but somehow lost your bearings. Trying not to panic, you look around, but the surroundings look completely unfamiliar. It's an overcast stay, with looming clouds, and you have a feeling of unease even stronger than what just being lost should cause. As you scan the wooded horizon, something catches your eye. Did that tree, just move? You hear and oddie siren noises coming from that same direction...