Synopsis: I'll Do That Arranged Marriage

Just before the wedding for the union of the two chaebol families, an incident occurs in which the bride disappears, and the bride's younger brother, Woo-hee, offers to marry on behalf of her sister. However, for Woo-hee, this decision was not just an arranged marriage, but a ploy to win over a man named Min Jae-heon, whom she had had a crush on for a long time?! Jae-heon is dragged helplessly by Woo-hee's cool charm without realizing it...?