A muffled sound rings down a back alleyway in the rain. When Kogoro and Conan run to the source of the sound, they find Kikuchi unconscious in the driver seat of a car parked near an intersection. In front of his car is the bleeding and dead Tsutsumi. Kikuchi is shocked when comes to and sees Tsutsumi's body. Kikuchi and Tsutsumi were once coworkers. Kikuchi testifies that a man with an umbrella suddenly jumped into the intersection, and while he quickly slammed on the brakes, he couldn't stop in time. Later, Tsutsumi's will is found in his jacket pocket, and Kogoro determines it was not a traffic accident but a suicide...