The world's greatest blue sapphire, the "blue lapis fist", said to have sunk in a pirate ship in the late 19th century, on the coasts of Singapore. A local millionaire plots to retrieve it, and when it's exhibited in an exhibition at the Singaporean Marina Sands hotel, a murder takes place.
Screenplay: Takahiro Ohkura
Producer: Shuho Kondo, Isato Yonekura, Keiichi Ishiyama
Director of Photography: Hitoshi Nishiyama
Director: Chika Nagaoka
Case Closed/Detective Conan Movie 23: The Fist of Blue Sapphire English Trailer (2021)