Lee MinHo is a young college student who has a lopsided love for Moon ChaeWon his childhood friend. One Night while going to see his friends, he meets Bae Suzy a high school senior who falls head over hills for him. Now with Suzy attached to his hip and making it harder for him to prove his love to ChaeWon, his friend JaeJoong decides to openly contend for ChaeWon's heart. Now MinHo has to keep JaeJoong away from ChaeWon, while trying to keep Suzy away from him