Based on the popular South Korean novel School Nurse Ahn Eun-young, THE SCHOOL NURSE FILES stars Jung Yu-mi as Nurse Ahn Eun-young, a school nurse who has the ability to see monsters. Eun-young has had the the power to see strange creatures, known as jellies, since she was a child. She knows that many of them co-exist with us peacefully, and can even appear from the beyond. But there are also jellies that pose a threat to humans, and must be defeated. Now the nurse at a new school, Eun-young wields a toy sword and a bb gun, both of which have special, but limited powers to fight them off. But when she realizes that one of the teachers, Hong In-pyo (played by Nam Joo-hyuk), has the ability to recharge her weapons during battles, she knows she has an ally.