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...