Roberto is a Law professor whose life is thrown into chaos when he becomes convinced that one of his best students has committed a brutal murder. Determined to uncover the truth, he begins a personal investigation…

Is Korea a democratic republic or a prosecution republic? Can you be confident that the blade of the prosecution is not aiming at you? Their hunt has begun. Following the coordinates thrown by the prosecution, the media gathers, and rumors circulate. Prosecutors wield a sword before the angry public. Who is the one being chased over there? Are you confident that you are not the one?

With the aid of his former law students, a professor-turned-prosecutor battles corruption and organized crime.