Hwang Eun Byul (Ham Eun Jung) and Hwang Geum Byul (Lee Joo Yeon) are fraternal twins, but look different. Eun Byul works at publishing company and as a ghost writer. Meanwhile, Geum Byul works as a leader for the public relations department at a fashion company. Since they were children, their mother has clearly favored Hwang Geum Byul. Hwang Eun Byul has had to make concessions to her sister. Hwang Eun Byul then marries Choi Han Joo (Kang Kyung Joon). Choi Han Joo’s family and the family of Hwang Geum Byul’s husband are enemies. The two families through the sisters find middle ground.