While Jung Intae was the first to confess his psychopathic tendencies to the school nurse, his actions inspired many others to do the same. This has left Miss Kim with a flood of high school students claiming to be psychopaths, even though most of them don't seem to fit the criteria. Upon closer inspection, it appears that the entire school community, both students and faculty alike, is keeping something hidden. Intae's infatuation with Miss Kim and her occasional bouts of anxiety are just a few examples of what lurks beneath the surface. It's clear that there is a true psychopath among them, but the question remains: who is it?
