In the dark night, the corpse whisperers died mysteriously one after another. Each corpse contained a copper coin engraved with an ancient talisman in its mouth. Forensic doctor Li Xiang and criminal investigation team leader Ji Jin are involved in this strange mystery. On the surface, it is a serial murder case, but in fact, it hides a buried medical experiment twenty years ago. Li Xiang analyzed the corpse language with cold insight, while Ji Jin used thunderous means to pursue clues. The two of them approached the truth step by step among the corpses and lies. But when the last deceased said, "You killed me," Li Nightmare actually recognized the wrong murderer - and the real black hand was watching them kill each other with a smile.
