Hong Ji Ah is an exorcist who gets rid of unrested spirits to sell houses. Oh In Beom is a fake exorcist who calls himself a doctor of the paranormal to scam people. They serendipitously run into each other one day.

A coming-of-age story about the lives of 18-year-old high school students who are valued according to their ranking in school. Despite their frustrations, they find out how to make their own way in this world that seems to be a stagnant cycle of school and home.