S01E678 — Nagasaki Mystery Theater (Bakumatsu)

Ran wins a trip to Nagasaki with Mouri and Conan. While touring the city, they unintentionally interrupt the filming of a mystery drama. Mouri is hired as a consultant to figure out the story's ending because the scriptwriter disappeared. The group examines the scriptwriter's room and finds newspaper clippings of a real case of serial thefts. The group spots the scriptwriter but he runs off before they can catch up to him. When the next part of the script is e-mailed to the crew, Ran and Conan are dragged in as extras. Conan realizes that the script contains hidden messages. The prop technician is attacked and he points at Ran with his dying breath.