Shi-Hyun, JK Group's heir, hangs out with Soo-Ji and Se-Joo. At a party, Shi-Hyun's father and Soo-Ji's mother announce their engagement. Shi-Hyun wants to marry Soo-Ji to prevent their parents' marriage, but Soo-Ji tests him with a game: Tae-Hee, the crush of Gi-Young, must fall for Shi-Hyun and then get her heart broken by the same. Tae-Hee doesn't care to date however. Moreover, she dislikes Shi-Hyun, who commences flirtation.