The Mystery Investigation Unit (Misu-ban) heads out for a routine investigation. They received a report about strange occurrences at an abandoned hospital. 1st Floor: Rader, Sleepground 2nd Floor: Soohyun, Heeddeuk 3rd Floor: Kantopia, Deokgae 4th Floor: Guest (Solo investigation). While investigating the 4th floor alone, Guest encounters the culprit and ultimately dies in the line of duty.
- Female - Inspector (3rd year) - Ability: Reconstruction of Events (Profiling) - Leader of the Mystery Investigation Unit. She is always at the center of the team. - Close senior-junior relationship with Rader. - Senior to Guest from the Police Academy.
- Male - Sergeant (5th year) - Ability: Eloquence - Primarily handles interrogations. - Senior-junior relationship with Kantopia.
- Male - Officer (2nd year) - Ability: Sixth Sense (Extrasensory perception, intuition, sensitivity, etc.) - The youngest member of the unit. - Heeddeuk's mentor.
- Male - Officer (3rd year) - Ability: Justice (Sledgehammer) - The enforcer of the unit. - Senior-junior relationship with Sleepground.
- Male - Officer (5th year) - Ability: Encyclopedia - Loves cookies. - Mentored by Deokgae.
- Male - Sergeant (5th year) - Ability: Mechanic - Fixes anything that is broken. - Senior to Soohyun from their senior-junior relationship.
The Mystery Investigation Unit heads out to investigate after receiving a report of strange events at an abandoned hospital.
The building has four floors: 1st Floor: Sleepground, Soohyun 2nd Floor: Heeddeuk, Rader 3rd Floor: Kantopia, Deokgae 4th Floor: Guest (Solo investigation)
During the search, Guest encountered the culprit and was shot, ultimately dying in the line of duty. It was the unit's first failure. The shock was immense.
Now, it is time for Guest's funeral. We look toward Guest's casket as all the officers salute. Then, we head into the funeral hall.
Release Date 2026.08.22 / Last Updated 2026.08.22