On the night of the Ghost Festival, 17-year-old Chen Hao followed his grandmother's instructions and went to the Sancha intersection to pour water and rice to worship the lonely souls. However, he mistakenly turned the water bowl upside down and looked back, which was a taboo in folk customs. After returning, he was chased by strange green fire, and heard the cry of a man disguised as his grandfather again late at night. Grandma noticed something unusual, used glutinous rice to ward off evil spirits, and told her son that the vagina was wide open and the lonely soul had been attracted. Chen Hao then fell into a coma due to an evil spirit and a high fever. After his grandfather rushed home, he judged that an evil spirit was at work and decided to take him back to the intersection to deal with it. The terrifying crisis had just begun.