The recovery of Conan Xiaolan's amnesia was recovered when catching the murderer in the amusement park. Conan Xiaolan's recovery from amnesia is in the fourth part of the theatrical version of Conan, the assassin in the pupil. Summary: Two policemen were killed one after another, and the Metropolitan Police Department was in an unprecedented crisis. Sato was shot at Bai Niao's sister's wedding reception. Lan, who was present, saw the true face of the prisoner, was stimulated and lost his memory. Maori and others suspect that the prisoner is a member of the police, even a senior. Lan, who lost her memory, was constantly attacked by prisoners. In order to retrieve her memory, everyone took Lan to Dolobica Paradise, mistaking her for a prisoner, which made her relax her vigilance. At this point, Conan, who found out the real murderer, rushed to heaven to protect Lan ... Finally, in the fountain, Lan found his memory and beat the prisoner severely.