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 finds out some things about her long lost sister, while Woo Jae and Officer Han are continuing their investigation to find Hye Jin's killer.