864 : The Spirit Detective's Murder (part 2) May 2026

: While Conan and Masumi Sera identify the killer, Conan loses his Voice-Changing Bow Tie during the investigation. In a rare occurrence, Mary Sera (the "Sister from Outside the Domain") finds the bow tie and uses it to complete the deduction while Conan is incapacitated. Major Plot Developments

(episode 864) is a pivotal episode of Detective Conan (also known as Case Closed ) that first aired in Japan on June 24, 2017. This episode concludes a canon case adapted from manga files 952–953, focusing on the murder of "soul detective" Gaito Hotta and its connection to the long-unsolved Kōji Haneda case. Case Summary 864 : The Spirit Detective's Murder (Part 2)

: Gaito Hotta, a television personality and fraudulent spirit medium, is found murdered in hotel room 402. He had claimed he could summon the spirit of Kōji Haneda to reveal the truth behind a 17-year-old murder case. : While Conan and Masumi Sera identify the

: The episode provides major clues about Mary’s intelligence and her condition, showing her skillfully using Conan's gadgets. This episode concludes a canon case adapted from

This episode is significant for its progress on the overarching "Rum" arc of the series:

: Conan continues to investigate the murder of Kōji Haneda, a shogi player killed 17 years ago. He suspects that "Asaka," Haneda's missing bodyguard, might be the high-ranking Black Organization member Rum .

: At the end of the case, Gin and Vodka discuss the failure of Rum in the original Haneda case and express growing suspicion toward Kogoro Mouri for involving himself in the organization's past matters.