A group of people with ulterior motives is lured by a huge insurance payoff to stay in a gloomy 'ghost' building. Strange occurrences happen in the building, including ghost weddings, incessant wailing of ghostly infants, and inexplicable bloody footprints on the walls, all of which entangle the crowd like a nightmare! Shen Yan (played by Li Meng) is gentle and considerate towards her boyfriend Liu Zhenzhong (played by Su Xiaoding) but has her own agenda, while the seemingly honest Liu Zhenzhong hides secrets of his own. Su Jieke (played by Liu Xun), Zhang Chen (played by Hai Lu), and the main character Fang Xueqing (played by Zhao Yingzi) who is linked to the rumor of 'giving birth in the toilet' at the building share a complicated past that is hard to let go of. Even the seemingly ordinary security guard Ye Fan (played by Xue Yuanqing) is caught up in this terrifying vortex and cannot escape... On the night of the seventh day, the vengeful spirits return to judge the scoundrel, forcing them to confront the sins they once committed, and a thrilling act of revenge quietly unfolds!