Behind every live broadcast, there was a hidden secret. The female host Xia Mu entered the 404 live broadcast room. As the live broadcast was about to end, the image of her roommate Su Lin falling from a high vantage point appeared on the screen. The next day, Xia Mu received news of Su Lin's death. This was just the beginning, the terrifying scenes of death kept appearing, the ghosts of movie theaters, the shadows of women's toilets, the men hanging on the hooks, the women with paper faces … Who can unravel the secret behind the death broadcast room? The mysterious and unfathomable Sealing Village, the frightening and terrifying decapitation techniques, the mysterious disappearance of the Night Ghost Clan, and the unimaginable strange things that happened around Xia Mu. The demonic symbols that were everywhere, the iron boxes that were dug out from the cave, the secrets that were hidden in the boxes, all these seemingly unbelievable things were finally linked together. Xia Mu was surprised to discover that her status as a friend and relative had changed, and what she saw was not the truth at all. From the very beginning, an invisible hand had begun to control everything.