Synopsis

At a construction site, the body of serial blackmailer Kumo was discovered. Conan, enjoying a respite at the hot springs with Kogoro, learned of the grim find through a call from Mitsuhiko. The Detective Boys had witnessed a tall figure fleeing the scene around the time of death. Police reports indicated Kumo had been blackmailing eleven individuals – ten men and one woman. Yet, all eleven possessed airtight alibis, leaving the investigation stalled. Upon hearing the details, Conan detected subt