A hardworking and proactive career woman, Han Yewon consistently sets a standard at her workplace. However, she harbors a secret that nobody is aware of—she is more fervent than anyone could imagine when the doors are closed! While she indulges in her personal life, she takes great care in upholding an impeccable image as a professional at the office. That fragile equilibrium is jeopardized when Choi Eunho, the man she spent the night with, becomes part of a different team within her company. Will Yewon manage to safeguard her reputation?