Ango is a great detective who works hard at his job. So hard that along the way he lost all his personal life. One day as he is scouting the perimeter of a crime scene, he runs into the criminal who shoots him in the head. While he slowly loses his life, Ango thinks about life and death and decides that he doesn't want to die. By some miracle he is saved but has the bullet lodged in the brain. The operation to remove it is incredible dangerous so Ango decides to live with the bullet in his head for a while. He soon finds out that the bullet causes him to see ghosts. He then uses his new ability to solve the murder cases he is then assigned.