Heartbroken Kyoko (Usamaru Manami) meets and marries Kadono (Hosoda Yoshihiko) on a matching app. Kyoko is happy with her life with the kind and handsome Kadono, but she gradually begins to suspect that her husband is in love with another woman. She asks detective Nomura (Shibue Jouji) to investigate her husband's background, and a shocking secret is revealed.