Usurper (횡령자 )

Yoon Ah Na is a kind hearted girl and a sweet girl who lives in poverty along with her sick mother. She works hard to earn a living but suddenly meets a girl who looks like her, Kang So Ra. Kang So Ra is married to a chaebol - Jang Jae Ha. Kang So Ra lives as an unmarried wife and has an affair to many men including her brother in law Seo Jeong Woo who is married to Jang Eun Hee . Kang So Ra wants Yoon Ah Na to pretend as she as her. Yoon Ah Na will live as Kang So Ra for a year. How long will Yoon Ah Na will pretend as Kang So Ra and hide her identity? Would she fall in love with Jang Jae Ha.