Yoon Mi-So (Park Sun-Young) was sent to the orphanage when she was a young child, but adopted by good parents at the age of 7. As an adult, Yoon Mi-So married Lee Min-Jae (Heo Tae-Hee) and they have a daughter named Hae-Ram. Even though her mother-in-law gave her a hard time, Yoon Mi-So's life was pretty good due to her husband and daughter. Then, Han Na-Young  (Kim Youn-Ju) entered the picture. Han Na-Young concocted a plan to destroy Yoon Mi-Soo and, because of this, Yoon Mi-Soo lost her family and happiness. She is now all alone.  At this time, Yoon Mi-So meets Seo Kyung-Soo (Ko Se-Won), who has been suffocated by his wife's obsession. Seo Kyung-Soo falls in love with Yoon Mi-So. Even though Seo Kyung-Soo's wife learns that her husband is in love with Yoon Mi-So,  Seo Kyung-Soo and Yoon Mi-So can't give up their love………..