Forensic doctor Chen Yan took over the case of serial disappearances, and all traces pointed to the thousand-year-old locust tree at the entrance of the village. "There is a corpse in the root of the tree," the village chief warned in a low voice, "That tree... Can eat people." During the late-night autopsy, Chen Yan found that the corpse was holding a fresh root in its right hand. As soon as he took out the root, the lights in the dissecting room suddenly went out. In the darkness, the tree roots slowly squirmed...