A series of murder cases targeting police officers occurred, causing huge repercussions within the police. The Megure Police Department is surprisingly tight-lipped about Kogoro who wants to get information about the case. Seeing this situation, Conan thought that the matter might have something to do with the police department. Then, the next target to be shot turned out to be Detective Sato! Xiaolan, who happened to be present at the scene where the crime was discovered, was stimulated by the case and suffered amnesia! In order to kill someone, the prisoner attempted to kill the only witness! Conan, who knew the seriousness of the situation, in order to protect Xiaolan, risked his own life to find the prisoner!
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