Inukai Tsuru (Taira Yuna), who suffers from prosopagnosia, an inability to recognize human faces, is a police officer on leave due to mental health issues. One day, Tsuru happens to be at a convenience store and gets caught up in a robbery, where she meets Saruwatari Hibiki (Maruyama Ryuhei), who has been transferred from the Metropolitan Police Department. Tsuru has an outstanding memory, while Saruwatari is unconventional and intuitive. These two polar opposites join forces to tackle an unsolved case: a hit-and-run involving a bear. The mystery of the "black bear" and the "white bear" emerges. And what is the surprising truth that Tsuru's memory leads to?

Police officer Inukai Tsuru (Taira Yuna), who suffers from prosopagnosia and is currently on leave, is investigating a hit-and-run incident that occurred six years ago with Saruwatari Hibiki (Maruyama Ryuhei), who has just been transferred to Yanaka Police Station. Tsuru's memory and insight lead to the existence of a mysterious panda that connects the suspect, Tatsuno Chito (Aoki Sayaka), to the incident. However, just as the two are about to uncover the truth, an unexpected event strikes, causing Tsuru to lose confidence once again. Tsuru is unable to leave the house, and Saruwatari...

Inukai Tsuru (Taira Yuna) and Saruwatari Hibiki (Maruyama Ryuhei) begin a reinvestigation of the Taikoji Temple murder case from seven years ago. The victim was Chono Yasunari (Tajima Ryo), a reporter for a notorious gossip weekly magazine. While listening to the stories of those involved, including professional boxer Kumada Hiroki (Sano Gaku), who was the first to discover the body, and Hachiya Mitsuru (Holiday Section Chief), the son of the temple's head priest (Rokupei Naomasa), who runs a Thai restaurant, Tsuru senses something is amiss. At Tsuru's suggestion, they begin undercover investigations at the boxing gym and the Thai restaurant, and the two begin to gradually get closer to the heart of the case...

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?