A drama which drily draws the bluff and fact of the middle class which desires the high class. It will tell about the reality of a middle class family and their money problems, as well as love and marriage.

Mong Hee and Yoo Na are two different woman who look exactly the same. Mong Hee is street salesperson who is cheerful and hopeful. She dreams of being a jewelry designer. On the other hand, Yoo Na is a cold modern woman who is the daughter of a rich family.

Park Hyun Soo is the CEO of a large jewelry company, owned by his parents while constantly compete with his brother, Park Hyun Joon, for the CEO position. Park Hyun Soo is going through a divorce from his ex-wife, Yoo Na. He will meet and fall in love with Mong Hee who looks exactly like his ex-wife.