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

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

: Kogoro Mouri and Conan Edogawa witness a suspect fleeing the room through a window. The culprit used a trick involving salt to facilitate the crime or their escape. 864 : The Spirit Detective's Murder (Part 2)

: 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. This episode is significant for its progress on

: 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 : 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.