The CEO of a jewelry shop is murdered. Seeing the body and the circumstances of the crime scene, Himura thinks something is not right.
A celebrity, Yura, is murdered in her locked room. Her boyfriend Masahiko asserts that a suspect must have the key to the room as Yura had lost it the day before the crime. But for intuitive Himura, something doesn't feel right with Masahiko's story.
After receiving a suspicious phone call from an unknown caller, Himura and Arisugawa find a body at a condominium. With the scent of perfume lingering, they deduce that someone was there until just before their arrival.
Given that all three murder cases which occurred around Akemi must be connected, and hoping to find more clues, Himura and Arisugawa go to where the second murder took place.