Two half-sisters who share a mother: after a family dispute, the older sister runs away from home. Eight years later, when the younger sister hears news of her, she gives up everything to search for her. The older sister marries a restaurant owner she fell in love with at first sight, while the younger sister falls in love with a sharp and astute company president. Their once peaceful lives are disrupted by the appearance of one person. What will become of the sisters' love...?