Conan, Ran, Kogoro are joined by Heiji and Kazuha visiting from Osaka at the Suzuki Museum. Meanwhile, Kid has announced that he intends to steal the world's largest conch pearl on display at the museum known as the Fairy Lip. He disguises himself as Kazuha and infiltrates the exhibition room. He seems to have successfully stolen the gemstone, but...? (thetvdb.com)