Conan, Ran, Sonoko, and Kogoro were heading to Minato Mirai, Yokohama—the site of the "Kanagawa Motorcycle Festival"—alongside motorcycle enthusiast Masumi Sera. Suddenly, a mysterious, speeding "Black Motorcycle" appeared, leaping right over their car. Chasing close behind was Chihaya Hagiwara of the Kanagawa Prefectural Police Traffic Enforcement Unit, the woman Ran once recognized as the "Goddess of the Wind." However, after an intense high-speed car chase, Chihaya’s bike is totaled, and the culprit manages to slip away at the very last second. Upon arriving at the festival venue in Yokohama, Conan and the group witness the unveiling of "Angel," a police motorcycle equipped with the latest technology. Meanwhile, reports come in that the rogue "Black Motorcycle" has appeared in Tokyo, once again shaking off the Metropolitan Police. While the motive remains unknown, the bike’s frame is found to be nearly identical to the "Angel." This dark double is dubbed "Lucifer"—the Black AngeL..