Synopsis

Kogoro was to deliver a lecture commemorating the renovation of Hishida Hall, with Kisaki Eri joining him on a panel. On the day of the event, as Kogoro prepared, Panelist Tsukinogi Hideki and actor Inokoshi Kenichiro visited him in his dressing room. Later, a heated argument erupted between former manager Reizei and hotel owner Hishida Junko. Then, with twenty minutes remaining until the lecture, Inokoshi was discovered murdered in his dressing room. Examining the scene, Conan deduced that this