"You and she won't work". Since the night they faced destiny, something seems off about their friendship. Friends who've been close since childhood for over 10 years, Haeyoung, who has developed feelings for Yeji, asks for help from his friend, Isu, who is known for his power of foresighting. Isu discovers that the one who loves Han Yeji will inevitably get hurt. Despite Isu's warning to stay away from Yeji, Haeyoung still chooses her, and Isu is determined to keep them apart by any means necessary...