At the Narumi Detective Agency, Shotaro gets into another argument with Akiko over her cramping his style until Philip changes the station to the Healing Princess radio show hosted by Wakana Sonozaki as she mentions the rumored Million Colosseo casino during her Futo's Mystery Tour segment. By then, a couple who owns a pastry shop arrive to hire Shotaro to follow their daughter Yuko Izumi, who has been acting strange recently. Losing Yuko because of Akiko, Shotaro goes to Watcherman for answers, leading them to Goro Murasame who came from the Million Colosseo and lost everything. Leaving him to contact Philip, who freezes up upon the mention of the word "family," Murasame is attacked by the casino owner Taizo Kaga, the Money Dopant. Shotaro pursues the Dopant, but is forced to fight the mo