After returning from the resort vacation, Marcy, a mother and live streamer, experienced bizarre symptoms, and her accompanying staff member, Zhao, inexplicably passed away. A friend of Ah Xu, Tianren, uploaded the eerie footage captured by Zhao before his death, garnering significant online traffic. In a state of panic and rebellion, Ah Xu, either to uncover the truth or for the sake of false popularity, concealed this from her family and begged her sister to keep it a secret. She decided to join forces with Tianren to call upon internet friends to investigate the vacation resort.
In 1984, a major fire broke out on the fourth floor of the Jin Xin Building, the residents on the 4th floor were trapped in the fire as the fire exits were blocked, which claimed a total of 19 lives. Pei who possesses psychic abilities, moves into the building, teaming up with Shao, a horror novelist seeking inspiration within the building, they investigate numerous unexplained terrifying events and aim to uncover the truth behind the tragic fire..
Asheng, once a gang member of the Zhongshan District, was sent to jail for 12 years after saving his friend Shaou. He is released and returns to Linsen North Road, his old turf, finding it familiar yet perplexing after being away for so many years. Shaou is now a mob boss with his own turf. When the son of Seagull’s patron, Mr. Xiao, is murdered, the evidence points to up-and-coming mobster Monkey. Shauo tries to ambush Monkey and fails, getting shot by the drugged up gangster instead. Asheng, who initially refused to help Shaou, is now filled with rage and decides to avenge his friend.