Ye Chen, a second-year student at Shen Jiang University, lost his memory in a car accident and at the same time is suspected by the police of being a murderer in a new case. Surprisingly, the place where the murder took place is exactly the same as a scene that appeared in his dreams. As the investigation progresses, Ye Chen discovers that his life is shrouded in a fog, and that it all seems to be connected to his lost memories ...