Detective Ongo Ishikawa lives for the chase. About to take time off after a long homicide investigation, he is summoned to the murder of a former police officer. He "walks the perimeter," just in case the perpetrator returns. Unexpectedly, he is face to face with an armed man, who shoots him. At the hospital, he "dies" and returns. One of the bullets has lodged deep in his brain and will have to stay for now. At the hospital courtyard, he is visited by his commander, when he a strong headache causes him to look down, then up…at a little girl in pajamas. When he returns to the hospital, he sees her again, and is informed that she just died! Three months later, he goes to a triple murder scene, and is hit with a headache, When he looks up, there's a little boy, silently talking to him. In the upstairs murder scene, he is greeted by the other dead family members, who tell him what happened and ask him to catch the person who murdered them. Later, a suspect is being interrogated, and the little boy shows up again, pointing to the man as the killer! Detective Ishikawa's life will never be the same.