When a woman's body is found by the train station, Detective James "Vin" Murdock is plunged into a death investigation that reveals a connection to a case that has haunted him his entire career. Together with his rookie partner, they uncover the dark secrets of the city's seedy underbelly involving a grimy mechanic, a sleazy bank manager, and a prominent city councilman.

What Vin stumbles upon is something he is never prepared for. In the middle of discovering grisly illegal business deeds happening in his City of Niagara Falls, it causes Murdock to lose faith in humanity and question his own motives.

Will he regain his confidence in time to solve the case, or will "this world full of monsters" reveal his time as a detective is coming to an end?