Wielding a light-up sword through the dark corners of a high school, a nurse with an unusual gift protects students from monsters only she can see.
A budding love story between a medical student and a nurse takes place in May 1980, during a time of civil unrest and military oppression in Gwangju.
In 1933, when Korea was under Japanese occupation, five people in Gyeongseong are suspected to be "Phantom" spies of the anti-Japanese organization.
