What does a school have? There are teachers, classmates, beautiful school uniforms, youth, laughter, and tears. This popular series has a new version in 2013, continuing to explore the stories of teachers and students. Victory High School is a problem high school with a large number of problem students. The newly appointed head teacher of Class 2, Grade 2, Zheng Renzai (played by Jang Nara), who has taken the teacher qualification exam for five consecutive years but still failed, was finally appointed as the head teacher of the problem class and managed Class 2, Grade 2 together with another head teacher of the class, Jiang Shican (played by Choi Daniel). Jiang Shican is a graduate of the teaching department of a prestigious university. He teaches well and is charming. He is very popular among students and parents. However, for some reasons, he gave up a better opportunity and came to Victory High School to teach. Some students in the class are learning factions, such as Song Hajing (played by Park Se-young); some are fist factions, such as Gao Nanshun (played by Lee Jong-suk) and Park Hongsu (played by Kim Woo-bin). Surrounding this group of students, every detail of adolescence is played out here, telling the story of their growth.