Exchange student Han Ji-hye receives a full scholarship and is ostracized out of jealousy. With no influential family background, she feels out of place at an extravagant graduate school of finance. Nevertheless, she strives to succeed through her own efforts, embarking on a battle of wits, power, and human nature. The intelligent female lead and the male lead, who comes from a complicated family background, become intertwined by fate, supporting each other and growing together.