When the police discovers that Yoo Na lied about her night, Ji Sook asks So Yoon to try to shut Yoo Na's mouth to protect her from being judged as possesed.

Yoo Na tells Woo Jae that the body they found is Teacher Hye Jin. Ga Young pushes a student from the stairs and tells Yoo Na that she still wants the job before giving up the murderer. Han So Yoon discovers that her sister may still be alive.

So Yoon continues her search for her missing sister, while Woo Jae finally gets permission to investigate the murder of Hye Jin himself.