Episode 923: A Day Without Conan
Scenario: Mitsuhiko, Genta, Ayumi, and Haibara discover the body of serial blackmailer KUMO at a construction site. Conan is visiting the hot springs with Kogoro and learns about the case when Mitsuhiko contacts him. The Detective Boys witnessed a tall man fleeing the crime scene around the time the murder took place. The police believe KUMO was blackmailing ten men and one woman. However, all 11 of them have alibis, and the investigation comes to a standstill. When Conan hears about the situation, he notices a few inconsistencies.
The Detective Boys were spying on a mysterious man and followed him after seeing him running from the construction site. They decide to inspect the site to see what might have happened and see the dead body after which they call the police immediately and Conan which couldn't come.