Ango Ishikawa is a detective with exceptional intelligence, observational skills, physical fitness, and an unwavering desire for success. While investigating the murder of a former police officer, Ango is shot in the head by the culprit, who remains at the crime scene. On the brink of death, Ango reflects on the afterlife and fervently wishes to survive. Against all odds, he does, despite having a bullet lodged in his brain.
In a new case involving a homicide, Ango encounters a distraught boy who is nearly at his breaking point. Though the child is only visible to Ango, he soon learns that the boy is, in fact, the victim of the crime. Following his brush with mortality, Ango develops the ability to communicate with the deceased, a realization that fundamentally alters his perspective.