Su Lin traveled back to the third year after the massacre and lurked as a psychiatrist. In the early stage, by solving several cases of supernatural causes and effects, the passionate policewoman Lin Youwei was recruited as a "human agent". In the mid-term, with the large-scale invasion of "alien creatures", Su Lin manipulated the major forces behind the scenes, playing between the chaebols and the cults. Later, the truth about the disappearance of his sister Su Qian was revealed, he faced the will of the plane, and used the collected causal fragments to rebuild the world order.
