Kang Tae Joo is an ordinary employee in a department store. Shin Joon Hyuk’s mind was hurt due to his family's problems but he has a nice appearance and superior ability. They both fall in love with the heroine, Han Eun Soo, at the same time. Cha Hye Lin is the daughter of a rich shopping mall CEO and she is an aspring fashion designer who has unique tastes and an elegant appearance. Although she is independent, strong, and spoiled, she is hopelss and careless in front of love. After she was betrayed by her first love, Hye Lin stops believing in true love. She then starts to 'buy' herself new boyfriends by paying them money and forcing them to sign contracts.
One of these men turns out to be Kang Tae Joo and during their contract relationship, Hye Lin begins to fall deeply in love again. She will be entangled in a love triangle with Tae Joo and Eun Soo, who is Tae Joo's real girlfriend.