Yoojung is dating Mooyoung, a famous actor. Due to his busy schedule, he has not been able to contact her for days. Then, one day, she sees a report about Mooyoung's passionate love affair with a famous idol. Filled with rage upon learning that he has cheated on her, Yoojung decides to take revenge, but fails and is left heartbroken. Then, her boss, Tae-seok, makes her a proposal. "Be my secretary." It is a sudden proposal from Tae-seok, who is known for being ruthless. Tae-seok does not accept her refusal, so Yoojung makes a bold trade-off. "Then go out with me!" "W... What?" An office romance comedy with a surprising twist unfolds - starting now!