Ji Soon Young (Lee Yoo Ri) loses her husband, Wang Se Joon (Kang Sung Min), in a tragic accident. She is left alone to take care of their adopted daughter. She meets and falls in love with Han Kyu Jin (Lee Chang Hoon), who just happens to be the father-in-law to her former sister-in law, Wang Se Bin (Seo Ji Young). Their lives changes when Soon Young marries Kyu Jin and becomes Se Bin's mother-in-law.