Two men and a girl encounter a ‘ target’ for an experiment on animals in the deep woods. They are hired as part-time workers with mobile sensors to find the animal case which was set free in the nature. The job was supposed to be easy with good money, that is those three’s only motivation. But the sensors they hold react to not animals, but a human being, a man lying on the ground without consciousness. As they bring him to a cabin to treat him, he wakes up and tells them to cut his left arm…