The Boiled Fugu Mystery Tour Showdown (Mojiko & Kokura Part) Conan, Ran, and Kogoro come to Shimonoseki by way of an introduction from attorney Hiroki Oi, whom they met in a past inheritance case. The clients this time are Makoto Izumiya, the fourth generation owner of the long-established fugu restaurant "Izumiya," which has been in business for over 100 years, and his daughter Kaede Izumiya. They say that the burglar broke into their house during the busiest time of the day when the restaurant is busiest and there is no one in the house. Without paying attention to the money or goods, what the burglar stole from the safe was a pot. The pots and pans were all made by the same artist, and each of them could have cost several million dollars, but what was important to them was "the broth from the skin of the pot, which has soaked up the flavor of the pot since its establishment. The theft was a big blow to Izumiya, who was about to compete in the finals of a national event called "Tekchiri GP" in the near future...