Conan, Mitsuhiko, Genta, Ayumi, and Haibara discover counterfeit ten thousand yen bills and a phone in the park. While Conan is calling Inspector Megure, Haibara, Mitsuhiko, Genta, and Ayumi follow counterfeiter Bella Hikifune, who has come to the park to collect the counterfeit bills and phone. However, they are detected and captured by Bella. Conan contacts Haibara using her Detective Boys badge, deduces that they are being held inside a moving container truck, and goes after them. Haibara questions Tatsumi, who is being held inside the same container, but...

Conan, Ran, and Sonoko go to a tangerine farm located in a mountainous region within the prefecture in order to pick fruits. Farm manager Terauchi Tetsuji scolds Sokono for carelessly picking and damaging his tangerines. Conan and his friends are treated to a variety of tangerine-based dishes at the Terauchi family home. At the recommendation of Tetsuji's wife Nobuko, they head up to the top of the mountain to watch the sunset. Just as they're finished watching the sunset, they see Tetsuji riding the agricultural monorail up the mountain, but...