When profilers start profiling their own people, murder becomes a game of hunting their own kind.
Behind the global serial murders, the "Shadow Parliament" is using crime as an experiment to measure the threshold of human evil.
Every case the special operations team solves becomes new experimental data; every profile of a murderer brings them closer to the horrific truth at the core of the organization - that most perfect criminal profile comes from your most trusted mentor and comrade-in-arms.
In this fatal game of psychology and intelligence, the only thing that can lock the devil is the eyes that dare to stare into the abyss and doubt one's own eyes in the mirror.