The series follows the story of a student named Kang Bok-soo (Yoo Seung-ho) who gets expelled after being falsely accused of violence against other students.
Serial ini berkisah tentang seorang siswa bernama Kang Bok-soo (Yoo Seung-ho) yang diusir setelah dituduh melakukan kekerasan terhadap siswa lain.