Eun Seo Yeon is a warm and friendly woman. She runs a small business that produces cosmetics and sells them on the internet. She also works as a staff member at a make-up salon. In her past, she and her parents were in a very close relationship with Kang Baek San. He now runs a large cosmetics company. One day, Eun Seo Yeon learns that Kang Baek San is responsible for her parentsâ tragedy. She becomes determined to take revenge on him for his past deeds. Following her plan, she marries Kang Tae Poong, who is Kang Baek Sanâs son.