Ji-Sook goes through a difficult period, due to her father's private loan. She begins living as Eun-Ha. Eun-Ha is from a wealthy family and looks like Ji-Sook. When Min-Woo was only seven years old, he became the successor of a large corporation which his family ran. Due to his position, he cannot reveal his feelings. Through his family, he meets Eun-Ha. He notices she is different from other wealthy woman that he has met. Min-Woo has feelings for her.
Byeon Ji Suk, burdened by her father’s debts and relentless loan sharks, dreams of a better life. A twist of fate introduces her to Eun Ha, a wealthy woman who looks just like her. Seizing the chance, Ji Suk assumes Eun Ha’s identity and steps into an elite world, where she meets Min U, a wary chaebol heir drawn to her authenticity. But how long can Ji Suk maintain the façade and conceal her true self?