The novel uses the mother of Hua Yin (the heroine) as a clue. After her daughter is killed, she begins her pursuit of the murderer for her daughter, and then leads to the diaries of the other four important characters in the novel. The protagonists Huayin, Wei Bo, Luo Duo, and Xu Heling are all different types of mental patients.
The crime took place at the Xu Heling Police Station. Officer Jin was only given three days, so the whole story included ten years of experiences in the three days she was looking for the truth. Just wanted to reveal:
Neurology's eagerness to classify the painful phenomena of the mind into diagnostic disease syndromes is ineffective because each of them is, at heart, an ordinary person trying to cope with a changing world.