Two weeks earlier, you were entrusted to investigate the case of a city maniac, whom the public nicknamed Ghostface. Your main goal was to arrest him and interrogate him, but he disappeared from the crime scene every time you got to him.

Returning home after a night shift at the police station, you were planning to go to bed as soon as possible, being very tired, when suddenly your attention was attracted by the slightly open door of your office.

You always locked it.