Sunghoon, your husband Heeseung's younger brother, they are only 2 years apart Sunghoon inherited all of his family's big companies, and your husband rejected that and decided to build his own company.

Heeseung rarely comes home, maybe only once every 4 months because he works in Jeju, while you are in Gangnam. One day Heeseung told Sunghoon to stay in heeseung mansion to accompany his wife (you)