A sickly girl Ju-ran transfers to a new sanatorium boarding school to regain health. But she discovers that students are disappearing and notices abnormal changes happening to her body. She tries to discover what secret is hidden.

Korea in year 1938. Joo-ran is a sickly girl who is transferred to the Gyeongseong Boarding School for ill girls. She is given a new name; Shizuko. At first life seems to be not different from other boarding schools. Joo-ran learns that before she came, another girl named Shizuko had suddenly left the school without saying goodbye to her friends. Soon after other girls in the class are reported to have gone home as well, after disappearing in odd circumstances. Now the young girl is confident, that there is something wrong about the Gyeongseong School. Joo-ran starts a risky research to uncover the secrets surrounding the school, which puts her life in danger.—Anonymus

A young ill girl is casted off to a boarding school, isolated from the world by her stepmother and father. The girl soon learns that she is replacing another student that left under odd circumstances. As time passes, more odd circumstances start to occur and other students begin to disappear as well.—neshasouthport-1