The series depicts rich young men and women in their twenties who discover true love while playing the dangerous game of love.

Kwon Shi Hyun bets his life on a dangerous game to seduce Eun Tae Hee.His target is 20-years-old and believes people that are swayed by love are pathetic. After Eun Tae Hee meets Kwon Shi Hyun, her view on love changes.