In a modern city, the female protagonist is a trainee forensic doctor, and the male protagonist is an informant in the procuratorate. The first case involves a serial disappearance case that has been dusty for ten years.
Female protagonist Lin Qian: 25 years old, practicing forensic medicine, her father is a criminal policeman who has been missing for 10 years. Extremely logical, detail-oriented, and extremely sensitive to "disappearances".
• Male protagonist Shen Yu: 29 years old, an external intelligence officer of the prosecutorial system. His identity is a mystery. He once had an intersection with Lin Qian's father. Calm, manipulative, and seemingly truthful.
