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 … Minami Takayama, Kappei Yamaguchi, Wakana Yamazaki, Rikiya Koyama, Nobuyuki Hiyama, Naoko Matsui, Ikusaburo Yamazaki Added on HBO 2022-06-06. Added on Amazon Prime 2023-03-25.