Conan, Kogoro, and Ran all attend a concert at a local department store. After the drummer, Yuusuke Nakamura, hears about a CD Ran is searching for, he tells her to follow him to the storage room where he has a copy of it. While there, they discover the lead vocalist, Yukiko WaTanbe, dead in the storage room. The band is interrogated by the police and they learn Yukiko planned to join another band. Ran tells Conan she noticed that the drum outside of the storage room changed position and Conan realizes who the murderer is. After tranquilizes Kogoro and uses him to reveal the culprit to be Yuusuke. He reveals that Ran did not see Yukiko's body but only a mannequins hand. When Ran left, Yuusuke took Yukiko's body out of the box for the bass drum and placed her body at the crime scene. Yuusuke confesses to murder her in rage after she told him she was leaving the band.
Conan, Ran & Kogorô sont dans un hôtel, en vacances, et assistent à un concert en profitant d’amuses-gueules.
Après le concert, l’un des musiciens vient à la rencontre du célèbre détective. Il finit par emmener Ran à la « chambre verte », lieux d’entreposage des instruments. Sous une couverture, ils découvrent Yukiko, la chanteuse du groupe, morte.
Goro, Ran e Conan cenano in un grande magazzino dove si sta esibendo un gruppo musicale. Il leader del gruppo riconosce Goro e, al termine del concerto, si presenta al suo tavolo. Il cantante vuole donare un CD a Ran ed entra, quindi, nella sala dove vengono depositati gli strumenti. Qui, il ragazzo rinviene il cadavere di uno dei componenti del gruppo. La band viene interrogata dalla polizia e si scopre che la vittima voleva unirsi ad un altro gruppo.
Kogoro, Ran y Conan van a cenar a un restaurante donde toca un famoso grupo musical. Tras la actuación, uno de los miembros de la banda aparece muerto en el camerino. ¿Quién será el culpable?
Kogoro, Ran i Conan van a sopar a un restaurant on toca un famós grup musical. Després de l'actuació, un dels membres de la banda apareix mort al camerino. Qui serà el culpable?
