The story tells that the "ghost" Chen Huiling (Ryan) needs to successfully turn a hundred people into good people in order to complete the task of atonement and reincarnation. In order to help humans, she will be attached to them, just like the upper body of a ghost, but Chen Huiling’s method of possession is different from that of ordinary ghosts. Once she is on the "target" body, what others see is Chen Huiling’s appearance, soul It is the possessed person.