The Mission of the Guardian of the Spirit World

In the seemingly peaceful town, bizarre murders occurred one after another. There were no obvious injuries on the bodies of the deceased, but they all showed strange stiff postures, as if controlled by some mysterious force. Young police detective Lin Yu was transferred to investigate the case. As the investigation deepened, he found that all the clues pointed to the ancient theater that had been abandoned for many years in the town. The theater smells of decay and the walls are covered with strange symbols. During his exploration, Lin Yu encountered various bizarre phenomena, as if a pair of eyes were peering at him in the dark. And when he tried to unlock the secret behind the symbols, he also fell into a bigger mystery. Where is the truth hidden? Is it a man-made conspiracy or the work of supernatural forces...