Case Closed: The Fist of Blue Sapphire

"Case Closed: The Fist of Blue Sapphire" is the 23rd animated theatrical film in the "Detective Conan" series, released in Japan on April 12, 2019. Set in Singapore, the story revolves around the legendary blue sapphire, the 'Blue Sapphire Fist.' Conan is brought to Singapore by Kaito Kid and forced to act under the identity of 'Arthur Hirai' while investigating a murder case at the Marina Bay Sands hotel. Karateka Makoto Kyogoku also plays a significant role, and his relationship with Sonoko is a key element. Familiar characters such as Kaito Kid, Kogoro Mouri, and Ran Mouri also appear and become involved in an adventure involving gems, conspiracies, and the search for truth. The film was a major box office success, becoming the highest-grossing film in the series, owing to its excellent production, exciting plot, and thrilling action sequences. It also showcases the cityscape of Singapore, including iconic landmarks such as the Marina Bay Sands hotel.