When Yasuura goes to question a nearby restaurant owner, he notices someone peeking in the window. A child's umbrella lies nearby. Although he was scheduled to marry Mie in three days, detectives find that he had been seeing Sachiko, a divorcee. What's more, the umbrella belonged to Sachiko's daughter. A woman is found bludgeoned to death.
Red ink is spattered everywhere.
The woman who discovered the body has red ink on her hands, but she doesn't know where she got it. Police find a cheap earring and a necktie nearby. Konno had gone drinking with Yukiko that night. She claims that they parted after they left the shop, but the earring found at the scene is identified as hers. Murai's body is found on the pavement near a trash collection site.