Kogoro is hired by Morooka, a wealthy man who claims to have received a threatening letter, and comes to the Black Rabbit Restaurant with Conan, Ran, and Amuro to meet his client. When Morooka and his butler Fukamachi arrive, Kogoro checks the threatening letter, which states, "If you want to live, stay away from the Black Rabbit Restaurant." Morooka and his party are entertained by bunny girl Yuri, while bunny girl Sana looks on angrily as it seems Yuri will be the top earner tonight. Later, Yuri takes a sip of her drink and suddenly begins choking...