Her husband is an elite employee at a top-class company and lives in a tower apartment in Tokyo. Before marriage, she worked as a career woman, but now she is a carefree housewife. Moreover, Nanako's desire, who has gained a life that everyone envies, not only does it stop, but she accelerates, but she surrounds the young handsome Yuuki, a secret man, without telling her husband. One day, my husband ends up on a three-day business trip...