Night Watch.

In a late-night car accident, a young woman who was traveling with Wang Renjie died tragically on the spot due to drunk driving. Suffering from amnesia, Wang Renjie is often tormented by his illness and the woman's ghost, and has to rely on psychotherapy to get by. With the help of a female psychiatrist, Li Yuhong, Wang Renjie finally found a job as a night guard.