Choi Seunghyung and Jessica Jung is the perfect couple since they were on Senior High School. Their love and relationship is really make their friends and schoolmates envy. Choi Seunghyung is the only heirness of the biggest bank in the world and have many hotels business while Jessica is the only daughter who spoiled the most by her family who is also one of the richest family in the world, Jung family has the most famous diamonds store in the world and business of 3 famous airplanes companies. Seunghyung and Jessica have the wonderful and faithfull love for 8 years until Seunghyung decide to ask Jessica to marry him.

They tie a knot, they promised to love and caring each others on every condition at their wedding ceremony. They were promised to keep their love till the death. Jessica keep that promise while Seunghyun fell out love to her because Seunghyun business always make him traveled many country. He found another girl who he find attractive and slowly forget about his love to Jessica which is fading everytime Seunghyun with his new mistress.

What happen if Jessica find out that her husband is cheating? is she still love him like she promised on their wedding or let him go for the good?