Choi is a newly appointed teacher who tries to help his students with slightly unorthodox teaching methods but he is immediately reprimanded by the school board. Problem student, Hyun Im meets Joo Seung and his gang at a nightclub and starts hanging out with them and Yu Ri frets over Cheol I. Hyun Im who suffers from his parents’ lack of interest in him and Yu Ri who has trouble with heroverly protective parents become close.
But when Yu Ri falls from the roof and dies in an attempt to escape from male students who were trying to assault her, the rest of the students refuse to take their exams. When teacher Choi tries to defend the students, he is faced with mass denouncement. Meanwhile, Hyun Im tries to avenge Yu Ri’s death by finding the boys responsible for driving her to her death. But another tragedy occurs when Teacher Choi dies trying to rescue Hyun Im. His death will be remembered forever by all his students.
