Ep. 10: O detetive Kenmochi recruta Hajime para investigar o ladrão Kaitou Gentleman na mansão de Gamou Gouzou.

Detective Kenmochi asks Hajime for help catching a phantom art thief, a so-called Kaitou Gentleman who leaves calling cards announcing his next target. He takes Hajime and Miyuki to the mansion of the master artist Gamou Gouzou. There, Hajime meets Sakura Izumi, a former school friend who has been declared Gouzou's heir based on a stolen painting of his daughter which was sent to an art competition by the Kaitou Gentleman. The painting is stolen and Sakura is assaulted and her hair cut and Hajime believes that it was done by one of the members of the group staying in the mansion. Meanwhile, Gouzou's lover, Dr. Satomi Kaitsu plans to poison Sakura but she is strangled to death and the portrait of her is stolen. Case file cast: master artist Gamou Gouzou, butler Komiyama, Sakura Izumi, Dr. Satomi Kaitsu, art magazine journalist Daigi Maki, butler Komiyama, ghost painter Nobuhiko Izumi, and Hajime's friend Itsuki. (Source: Wikipedia)
Episódios
- Ep. 6 · Hajime prende o assassino Eiji Touno, que se vinga da irmã Keiko no mistério do Lago Hiren
- Ep. 7 · Mistério do Castelo de Cera Envolvendo Dez Investigadores Criminais e uma Facada
- Ep. 8 · Caso de Assassinato no Castelo de Cera, Arquivo 2: Investigação Continua
- Ep. 9 · Hajime acusa Akechi de assassinato enquanto desvenda um crime de trinta anos atrás ligado à escritora Kahoru Takigawa.
- Ep. 10 · O detetive Kenmochi recruta Hajime para investigar o ladrão Kaitou Gentleman na mansão de Gamou Gouzou.
- Ep. 11 · Detetive investiga a morte de Gouzou e um ladrão disfarçado ligado a uma pintura
- Ep. 12 · Hajime investiga os assassinatos do Dr. Kaitsu e Gouzou, suspeitando que o Kaitou Gentleman seja um bode expiatório.
- Ep. 13 · Caça ao tesouro na ilha de Hiho se torna mortal quando Daisuke Mimasaka é encontrado morto dentro de um relógio.
- Ep. 14 · Hajime investiga assassinato na ilha após ferimento no Portão Torii Preto