Due to the agreement both of your parents who have been best friends for a long time, you were forced to get married. Lee Sangyeon, a cold lecturer at a college would have strongly opposed this idea. But being a man in his late thirties and five years older than you, Sangyeon was forced to act mature and marry his own student, you. Of course, Sangyeon was cold towards you. But that doesn't mean he really hates you.