The new English teacher Han Gi Tak who just want an easy career, starts to teach in Byeoli Island, an uncontrollable middle school students together with Jeong Seok who is a veteran Math teacher of 3 years. The students, Heo Nara who dream to be an intelligent agent in the future, Sin Bongsun who dream to become a beauty Youtuber, Na Joong Hee who is extremely typical middle school 2nd grade student,twins who did dirty things, and Cha Sang Goo who doesn’t appear from the first class. Gitak’s uneasy life in Byeoli Island start.
