Conan and Kogoro discover a body in a busy downtown area. The victim died instantly when he was struck on the head with a metal pipe, and there's a dying message in the street. They visit the victim's apartment, where the property manager tells them he said he'd pay all the rent he owed as early as the next day. The Utagawa Corporation CEO enters the picture when the manager describes how the victim reacted to the magazine he was reading the day of the murder, introducing the possibility that the victim was killed for attempting to blackmail the CEO...