The Company Dissolution Party Conan, Ran, and Kogoro go to a restaurant to eat, and they come across employees of the mail-order site "Kureno" holding a "company dissolution party". There were President Jiro Kureno, Public Relations Junnosuke Toda, Product Management Eiji Koshimoto, Accounting Mayu Narita, and Web Designer Hiroo Kamijo. Kureno, who was given a bouquet with words of labor, collapses. The bouquet was filled with poisonous needles. Hearing the story, each participant had a motive for killing. Meanwhile, an employee testifies that he witnessed Echimoto crouching in front of the bouquet and doing something. Participants are gathered again, but Echimoto is not there ...