, 25 years old. He has a very special status in the business world because he's one of the son of the former CEO of Dongwon Enterprises, the future successor, one of the famous businessman in the business industry for his looks and such, all reporters are interested in getting his news.

He lost his father and his older brother ever since he was young and also at the same time he hates his grandfather and started to have an issue between them. Ever since he started working in a private enterprise company, he moved out and stay on his own. He hates his grandfather for forcing him to do things that he doesn't like especially when his grandfather forces him to marry a rich lady just because that would help the business. Known by other co-workers for being womanizer, he won't stay with the same woman for more than a month. He has been changing women around him that's because he couldn't find a suitable one to spite his grandfather. Until he met Heeyeon.. Meeting her has changed his entire life.

, 25 years old. Her father passed away early and was raised in up by her mother. She has a poor family background, as her mother fell ill and was hospitalized; Heeyeon had to go around borrowing money from people and finding a part-time job for her expenses. Before her mother passed away, she have been told by her mother to bring a necklace and look for Mrs. Kim. After her mother passed away, Heeyeon followed her mom's last words went to look for the owner of the necklace. She never knew that she would fall in love whom she thinks she shouldn't.