Inukai Akari (Taira Yuna) and Saruwatari Hibiki (Maruyama Ryuhei) continue their investigation into an unsolved murder that took place at a temple seven years ago. The key to the case lies in traces of perfume left on the victim's clothing. With Akari's genius sense of smell and memory and Saruwatari's bold action, they discover a clue that connects the victim to professional boxer Kumada Hiroki (Sano Gaku) and the head priest's (Rokupei Naomasa) son, Hachiya Mitsuru (Holiday Section Chief). Akari discovers a secret that Kumada and Hachiya are trying to hide... What is the heartbreaking truth behind the case?