Jiang Yun was responsible for receiving new students, but was questioned by alumni about the incident five years ago. This incident was a past event that all parties involved did not want to mention, and it changed their fate. Jiang Yun followed her mentor to her alma mater to conduct a psychological exchange meeting for students, but was unexpectedly involved in a mysterious time and space. The familiar scenes and weird games seem to have returned to five years ago. A young man who endures humiliation, a comatose girl, a patient with multiple personalities... The inner world of these people forms a clue that leads to the cruel truth.
Purpose: Personality disorders are not our disorders.