Fūra has been murdered in the lift. Inspector Takagi come to the place where the crime has set. Gorō explains him what happened and explained Takagi who that person is who got murdered. After explaining the whole situation, Takagi conclude that it was suicide. Gorō tells Takagi that there is a message inside the lift saying Sayonara (サヨナラ; Literally meaning "Good Bye") which Takagi is shocked when he read it. After seeing the clues that is inside the lift, Heiji then concludes that it was murder instead of suicide. Heiji explained why it is murder and convinced Takagi and Gorō about his explanation. After finding more clues they decided to go up where the lift stopped before. There are four rooms on the floor, which they came by to three peoples, since known that the women called Nanami lives also on that floor. Later Heiji and Conan figured out the whole situation of Fūra's death and believes that two peoples did the job of one person.