Yoo-jin (Lee Se-eun) was bullied by her children when she transferred from Seoul. One day, Eugene, who could not stand the bullying, wants to curse her friends. Memorize the death spell 'Shin-Saba' that summons the soul. Friends whom I hated 'to the point of wanting to kill' even in my heart. However, after this day, the self-immolation order became a reality. My classmates die one by one.
At the same time, Eun-ju (Kim Gyu-ri), an art teacher who was newly appointed to this school, I am anxious about a series of events at school, Only Eugene looks at Eun-ju with suspicion. After the change of self-immolation order, only in the eyes of art teacher Eun-ju Student No. 29, In-suk (Lee Yu-ri), who does not exist, is seen. Eun-joo's feelings of fear are gradually engulfed by the appearance of a mysterious student, In-sook. A hidden truth in a great curse. Eun-ju gradually faces the reality of the curse.
