In the snow-laden peaks of Mitaodake, within Nagano’s Yatsugatake mountain range, Inspector Kansuke Yamato of the Nagano Prefectural Police pursues a elusive suspect. A fleeting shadow distracts him, and in that split second, a sniper’s bullet grazes his left eye. A deafening roar follows as an avalanche swallows him whole— Ten months later, Kansuke, having narrowly escaped death, joins Yui Uehara to investigate an assault on a researcher at the Nobeyama National Observatory. As they question witnesses, the observatory’s massive parabolic antenna whirs to life, triggering an inexplicable, searing pain in Kansuke’s now one-eyed gaze, hinting at a buried connection to his past. That same night, Kogoro Mouri receives a call at his detective agency from “Wani,” a former colleague from his Metropolitan Police days. Wani reveals he’s probing the Mitaodake avalanche and found Kogoro’s name in the case files. Arranging a meeting, Kogoro sets out with Conan in tow, only for gunfire to shatter