Detective Conan (2011)

Ran's Death! Genius Detective Revealing the Last Mystery of the True Criminal's White Room Challenge (1x13)

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Right after Ran admits being the criminal behind everything, she and Shinichi are separated and put to sleep. Hearing Takagi's voice, Shinichi wakes up, finding himself at Beika Marina and Ran lying still nearby. However, Ran is declared dead by a Medical Examiner named Hajime Hirata, and will be dissected to find out the cause of death; Shinichi can't do anything, being taken to the police station as an important witness. He and Kogoro later deduce Ran is only in an "apparent death" condition and may be revived. Will Shinichi be able to locate the true culprit of the white room? More important, can he save Ran?