[SPOILERS AHEAD] Hong Jin Ho pointed out Kim Ji Hoon as the suspect after being ridiculed by three other victims. Dressed in school uniforms and professional business suits, the members set out to investigate their next case inside a science high school.
Figuring out clues by solving complicated math problems to discovering hidden messages, as well as investigating a security camera containing details pertaining to the murder scene, the members searched every corner of the facility.
While searching on a desk, A Pink's Eunji found a handwritten note and an old photo of Kim Ji Hoon. Later on, it was revealed that Kim Ji Hoon was wearing a wig the entire time, fooling the members.
Towards the end, the cast rounded up their total tally scores, leading to Park Ji Yoon as the culprit.
You can find clips from the broadcast above and below!