Sonoko tells Ran about what happened last night. Sonoko lies about most things, including about what happened between her and Kid. Ran asks Sonoko about Makoto, which Sonoko says that he is already with the jewel. A the Grand Suzuki Museum, which Sonoko has a letter fro Makoto from Kid, which the letter contains invisible writing saying "Let's write fair and square". Tomoko tells Sonoko and Ran that they are going to dress, while leaving, Sonoko rushes to Makoto wishing him good luck and that she believes in him. Makoto tells her that he will protect the jewel and that she may bet on the fist she is holding without fear. Sonoko and Ran leaves, which Tomoko tells Makoto that he must keep the promise he made. A flashback is shown of a conversation between Makoto and Tomoko, containing that Tomoko tells Makoto if he succeed in protecting the jewel she will let Sonoko to be with him, but if not and Kid succeed in stealing the jewel, he must give up Sonoko once and for all. A 100 letters have been written and send from Kid to Makoto. Conan wonders why Kid is sending Makoto a large amount of letters, which he is really worried about it as well. A dressed up Ran and Sonoko have appeared which Sonoko yells at Makoto that he must not forget how she looks. Makoto tells Inspector Ginzo and Jirokichi that over five minutes announcement time arrives which he asks them that everybody must leave from the exhibition room, because from now he consider anyone who enters as his enemy. Conan ask a guard about the letters wondering if they were received from the mail man, but the guard say that Sonoko obtained those letters from the mail man. Conan discovers that the letters doesn't react to black light. A blackout enters, which Sonoko watches on her wristwatch and apologizes to Makoto.