In a wooden house on the Tibetan plateau, a woman from the city strives to maintain a “perfect life”. On the day of her departure from this land, she finally digs out her daughter’s wooden box and heads towards the Divine Tree. The house, which never knew tears, has fallen silent, emptied of all presence in the morning light.

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.