Lin Ying, a forensic sketch artist with the city's criminal investigation squad, has a special ability: she can extract the last image a person saw from the retina of the deceased. While drawing the killer in a series of baffling suicide cases, she discovers that every victim saw their own face before dying. She also uncovers numerous unanswered questions surrounding her mother's suicide ten years ago. The officer who handled that case was none other than Chen Yuan, the captain now fighting alongside her. When Lin Ying risks extracting the image preserved on her mother's intact retina, the face she sees belongs to Chen Yuan in his youth...
