Do-young, a student retaking the college entrance exam, is looking for a private tutor to prepare for admission to a Korean university.

Through a high school friend’s introduction, he ends up getting tutored by his former class president — Ha-jin, who just so happens to have disliked him back in school.

During lessons, Ha-jin seems distracted and uninterested, and eventually suggests calling off the tutoring altogether.

“If I mess up again, you can punish me however you want!”

Do-young blurts out the desperate words, unable to give up on the tutoring —
and from that moment on, the atmosphere between them starts to shift in a completely different direction…