Kip. 417: The Evil Spirit Appears on An Unlucky Day: The Solution

417

They decide to investigate the four workers of the mansion along with the accident that took place thirteen years ago. Conan realizes that a twin who was supposed to be long dead was involved, and that was what scared the manager. It was revealed that on the wristwatch of the dying victim, was the location of where the boat accident happened. (Source: Wikipedia)