: A man named Atsushi Misumi asks Kogoro to find his missing girlfriend, Ami. They discover her dead in a car that has been meticulously sealed with duct tape from the inside.
: It is a critical "canon" episode that sets up the major "Clash of Red and Black" arc. Detective Conan Episode 429
: The reveal of the killer's motive—feeling like a "servant" rather than a boyfriend—adds a layer of bitterness and realism common in the series' best standalone cases. Two People Who Can't Return - Detective Conan Wiki : A man named Atsushi Misumi asks Kogoro
: The case reveals a tragic and dark backstory where the culprit felt exploited by the victim, who he believed was cheating on him despite his extreme financial and personal sacrifices for her. Why Fans Recommend It : The reveal of the killer's motive—feeling like
The episode centers on the "Locked Car Murder Case," involving a woman found dead from carbon monoxide poisoning in a sealed car—a situation initially dismissed as suicide until Conan intervenes. Key Plot Points
: The "locked car" trick is often cited as one of the more memorable physics-based mysteries in the series.
: Eisuke Hondo , a clumsy new classmate of Ran and Sonoko, is introduced. His arrival kicks off a long-running mystery regarding his true identity and connection to the Black Organization .