One-eyed Flashback is the 28th movie in the Detective Conan franchise. It is planned to be released in Japan on April 18, 2025.

Nagano Prefecture, Yatsugatake mountain range, Mt. Mitakara. When Yamato Kansuke of the Nagano Prefectural Police chased a "certain man" into the snowy mountains, someone's slihouette unexpectedly comes into his field of view. Taking profit of that distraction, the "certain man" that he was chasing shot a rifle bullet that scratched his left eye at the same time that an avalanche happens, roaring across the area. The avalanche swallowed him whole...

10 months later. A member of the staff of the research facilities of the Nobeyama National Observatory is attacked by someone. After hearing the news, Yamato Kansuke, who miraculously made it back from the avalance and Uehara Yui head to the scene. During their questioning of the staff, the huge parabola antenna of the facilty activates, and Yamato's left eye, which was dead as a result of the accident, suddenly begins to ache in a fierce way...

On the same day's night, a colleague of Kogoro from his MPD days, nicknamed as "Wani", calls him at his Detective Office. He was investigatin