In a shocking turn of events, one of the cases this unique team of investigators takes on is the murder of Superintendent Kuroiwa’s own ex-wife, Mari. Upon visiting the murder scene, Asako reacts by collapsing and bleeding profusely from a wound that suddenly appears on his back. But why are Mari’s final thoughts about her ex-husband Kuroiwa, and what does Asako’s surprising reaction to them really mean?