The story takes place at a police station in Nakano, Tokyo - a community-based precinct handling cases of all sizes, from arguments between pedestrians and neighborhood disputes to theft and fraud. Assigned to the Criminal Investigation Division are the partner detectives Yomoda Makoto and Suzuki Asuka.
With outstanding teamwork, the pair solve case after case. However, they carry a secret they cannot tell anyone. They are husband and wife.
Within the police department in Japan, it exists an unspoken rule: married couples cannot be assigned to the same division. If discovered, one of them would be transferred. In other words, they would be forced out of the detective division. To remain detectives, they reach only one conclusion: hide the fact that they are married.
Thus, the detectives form a partnership while concealing their marriage and keeping separate surnames...
At work, the two ordinary fellow detectives...
With outstanding teamwork, the pair solve case after case. However, they carry a secret they cannot tell anyone. They are husband and wife.
Within the police department in Japan, it exists an unspoken rule: married couples cannot be assigned to the same division. If discovered, one of them would be transferred. In other words, they would be forced out of the detective division. To remain detectives, they reach only one conclusion: hide the fact that they are married.
Thus, the detectives form a partnership while concealing their marriage and keeping separate surnames...
At work, the two ordinary fellow detectives...
Miura Manatsu, an office worker seeking to cheer up his ailing mother, and Haruta Ami, trying to move on from her ex, meet through a dating app. Despite barely knowing each other, they rush into marriage, only to discover they are co-workers. Keeping their union a secret, they gradually learn more about each other and begin to see the possibility of real love.
Yamagishi Ayumi is a single woman who wants to marry a high-spec man and have a stable life. Her boyfriend is Katsuo Ebihara. They have been in a romantic relationship since their university days, and they live together now. She always cooks for him with all of her heart, and she always puts him first, but this makes her gradually lose herself. Meanwhile, Ebihara Katsuo is a man of a patriarchal mindset, who thinks women should cook and not men. Their relationship seems to be going smoothly. Ebihara Katsuo, who thinks he is perfect, decides to propose to Ayumi Yamagishi. He doesn't have a doubt that she will say yes, but she responds, "No way."
Lee Dong Jin and Yoo Eun Ho divorced two years ago but continue meeting for various reasons, often at the donut shop where they once dated. They check in on each other's love lives and create excuses like anniversaries to stay connected. Despite their deep love, they struggle with pride and others' interference, leading them to introduce new people into their lives.
Aizawa Masahiro was married to Igarashi Naoto and worked at the same company, but their marriage didn't go smoothly. They are currently living separately. Due to circumstances, Masahiro quit her job and began to work for another company. She does well her at her new job. One day, her husband Naoto appears in front of her. Her husband was unaware of where she was working for her new job and it happens that Naoto has started to work at the same company. Because they do not want to cause a stir at their new workplace, they hide the fact that they are married and pretend to be strangers. This lie unfortunately leads to a more problematic situation.
