قسمت 8: کیتون گذشته کایوکو کیدا را بررسی می‌کند و مدارک دزدی‌شده را از اوسامی بازی می‌گیرد.

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Keaton visits Taihei Hiraga at the cottage, where his friend Naomi is staying for awhile. After tracking down display window designer Kayoko Kida, who believes that Taihei is her biological father, Keaton is taken to her apartment. When she was six years old, she frequently followed Taihei to his former apartment in the slums and saw him on the second floor. Keaton leaves the apartment after returning money that Kayoko gave to Taihei, but he quickly comes back, finding her passed out from drug overdose. When she recovers, she says that her mother advised her that all men who are always kind at first end up using and hurting women. After recalling that Taihei called her dog cute when she was six years old, Kayoko reveals that her mother committed suicide after Taihei disappeared. Kayoko was sent to an orphanage and received a scholarship, making up her mind to learn a skill and live on her own merit. However, she fell in love with her business partner Usami, who left her after stealing her registered seal and computer discs containing her database. Arriving at Usami's apartment, Keaton breaks in and uses Taisuke to sniff Kayoko's handkerchief, soon locating the computer discs behind Usami's bed. Kayoko drops off Keaton, hoping to see him again. At the cottage, Keaton confirms that Taihei lived on the third floor of the apartment in the slums. The man living on the second floor was actually a pimp, who was stabbed to death by Kayoko's mother. (Source: Wikipedia)