ตอนที่ 1018: ถาดโบราณไม่สามารถซ่อนได้ (ตอนที่หนึ่ง)

1018

Conan is called to the Agasa residence and learns that Dr. Agasa is planning to make a fortune from a small vintage plate that he brought back from his uncle's villa, and he is going to ask an appraiser he knows. Conan wonders why he has been summoned, but it turns out to be Haibara. Sera had been staking out the front of the Agasa residence, and Haibara was worried. When Ran and Sonoko mention Haibara's name as a "mature child," Haibara gets angry when she hears that Sera is probably checking up on her. Then Okiya comes to bring her some food, and Sera follows her. Sera wants to hear what she has to say, but she can't leave Haibara alone, so they all head for the appraiser. However, the antique art appraiser, Hogen Nishizu, has been beaten by someone at home and is dying. When Agasa hurriedly leaves the room to call the police, the assailant who had been lurking behind appears and stabs Nishizu to death. There were three people at the mansion: Motoyuki Toshima, the president of a securities company, Kinji Chono, the former president of a real estate company, and Suzue Sakamaki, the director of an art museum, who had come to request the authenticity of a black lacquer tray that was said to be worth tens of millions. The culprit and the real black lacquer tray are? (Source: Wikipedia)