Amid a tense inheritance fight, a charming heir clashes with his hardworking employee who’s known for her irresistible smile — which he cannot stand.

A spirited queen tries to rein in her rowdy sons in order to make one of them the next king of Joseon, while her competitors vie to snatch the throne.

Hong Ye-sul, a competent account executive at an advertising company, has one secret— she can see the future when her lips come into contact with another person. When Ye-sul accidentally…