Seo Eun-jae goes on a matchmaking meeting (a blind date with marriage in mind). Her partner, Yoon Si-woo, is a man with many unsavory rumors, so Eun-jae is wary of him and intends to refuse him. However, she ends up having her heart stolen by his ardent courtship, as he claims to have fallen in love at first sight. Eun-jae falls deeply for Si-woo, liking him to the point of being unable to escape. But this man nonchalantly begins to reveal his secrets.