Case Closed (1996)

Season 13

Episode 22: A Code of Stars and Tobacco (Part 2)

The bones probably belong to a student who disappeared years before. During the night another guest is murdered, and also the telephone lines are interrupted. After the case Detective Conan looks Yamamura while dialing a number on her phone. Through the notes issued by the telephone keypad, the little detective discovers that the first part of the number that Vermouth was made to contact the leader of black corresponds to the prefix of Tottori prefecture.