The film opens with a terrifying sniper attack from a towering Tokyo skyscraper, instantly killing a man on a public street. Conan Edogawa, witnessing the chaos alongside Ran Mouri and Sonoko Suzuki, immediately springs into action using his enhanced skateboard to pursue the fleeing assassin. Despite a high-speed, perilous chase, the mysterious sniper manages to escape by detonating a smoke grenade and vanishing into the night.Investigation reveals the victim was Kevin Yoshii, a former Navy SEAL. Soon, a string of seemingly random sniper attacks terrorizes Tokyo. The Tokyo Metropolitan
Police Department, led by Inspector Megure, teams up with FBI agents Jodie Starling and James Black, who suspect the involvement of a dangerous, highly skilled sniper known only as "Hunter," a ghost from a past military black-ops mission.Conan realizes that the victims all share a connection to a controversial military trial involving Hunter, who was seemingly disgraced and abandoned by his own unit. Meanwhile, Sera Masumi joins
the investigation, utilizing her sharp detective skills to assist Conan. The tension escalates dramatically when a sniper targets Subaru Okiya and then sets his deadly sights on Ran and Sonoko, who are visiting the newly opened Bell Tree Tower—a massive, glittering skyscraper symbolizing Tokyo's modernity.Trapped at the top of the tower during a sudden blackout caused by the sniper, Ran and Sonoko find themselves in mortal danger. Conan, aided by the brilliant sharpshooter skills of Akai Shuichi (operating under disguise as Subaru Okiya) and the technical genius of Professor Agasa's gadgets, races against the clock to locate the perpetrator.As the narrative reaches its climax, Conan uncovers a shocking twist: the sniper currently active in Tokyo is not Hunter, but Timothy Hunter’s former protege, who blames the victims—all members of the original Navy SEAL team—for ruining his mentor's life and driving him to despair. A tense, high-stakes game of cat and mouse unfolds across the glass-floored observation deck of the Bell Tree Tower. The killer takes hostages, threatening mass murder if his demands are ignored.Utilizing his wits, a specialized tracking soccer ball, and precise sniper backup from Akai, Conan manages to disorient the villain and neutralize the threat before he can pull the trigger on Ran. The sniper is captured by the police, restoring peace to the city. In the aftermath, the complex web of secrets involving Akai, the FBI, and the mysterious forces operating in the shadows deepens, leaving the heroes to ponder the lingering dangers of the world outside.