Skinner's Box

Profiler. After graduating from university, Fan Mu joins the police force. Now he is a profiler unraveling the most complex crimes… But one day his intuition misses the mark.
Murderer. Student Luo Jiahai is detained for a particularly brutal murder. The victim is a teacher who ruined the life of his beloved for the sake of her career. Fan Mu sympathizes with the criminal and even agrees to testify in court as a witness for the defense. But soon the defendant boldly escapes from the detention center. Moreover, during this escape, Fan Mu's friend and colleague suffers serious injuries – both physical and psychological.
Psychodrama. To help his comrade, the profiler agrees to participate in psychotherapy sessions. Their goal is healing through re-experiencing traumatic experiences. But it turns out that such therapy attracts not only the police. A wave of murders sweeps through the city, each resembling the climax of a psychodramatic session. And after a while, a hair belonging to student Luo Jiahai is found at the scene of the latest murder…