Young men and women from the upper classes play a dangerous game of love, only to discover true love. Kwon Shi Hyun risks his life in a cruel and dangerous game: to seduce Eun Tae Hee. She is 20 years old and believes that people who are swayed by love are pathetic. Kwon Shi Hyun is a 20-year-old man known as a ‘homme fatale’ and is the sole grandson and heir to the JK Group until he is suddenly ousted and thrown into a precarious situation. Eun Tae Hee is a 20-year-old woman who believes that being swept away by love is too painful to imagine. However, after meeting Shi Hyun, she realises she has underestimated the power of love, and her life is turned upside down. Choi Su Ji, whose mother is a hospital director and CEO, is seen as a role model for women in their twenties.