"MINAMO, We're a Married Couple, Right?!" Undercover agent MINAMO, who hasn't had sex in 3 years, pretends to be married with her male subordinate—but when the act turns real, she discovers her femininity again in this one-week investigation.
A strong-willed female detective teams up with her junior male colleague to go undercover as a married couple. They live in a strange apartment right next to the yakuza. To maintain their cover and act like a real married couple, they begin a fake honeymoon life. Though their actions are meant solely for the mission, gradually her heart begins to stir, and she starts developing genuine romantic feelings for her junior partner.