Geum Jan-Di is about to go on a vacation with Gu Jun-Pyo to celebrate their engagement, but at the airport they receive a phone call that changes everything and Geum Jan-Di is forced to make a decision that will alter her life forever.

What happens when Choi Young-Do, the bully of Jeguk High School and heir to one of the biggest fortunes in South Korea, suddenly becomes poor? In moments like these he can only rely on the 'welfare student' aka. Cha Eun-Sang - the one girl he used to bully because of her status. But what happens now that he too is in that situation? 

It has been 10 years since Cha Eun-Sang ended High School and moved to America to study, since then she never returned to Korea. While she was there she created her own firm, which quickly became a hit. In a short amount of time she made herself a fortune. And now she's back, ready to take down all those that have made fun of her when she was poor and to show them who would rule now. And maybe she even finds the love of her life? Or is it all just a huge fat scheme? Follow Cha Eun-Sang on her