As the investigation unfolds, Conan and Detective Wataru Takagi find themselves trapped in an elevator at Tokyo Tower after an explosion.

A criminal from the past sends a new riddle to the police, threatening more explosions across Tokyo.

You can find more detailed summaries and fan discussions on the Detective Conan World Wiki or watch the episode on platforms like Crunchyroll. The Trembling Police Headquarters: 12 Million Hostages