Diagnosed with anti-social personality disorder, Hansol Im lived a meticulously controlled existence shaped by his father, a psychologist intent on enforcing normalcy. That careful balance shatters when a serial killer attacks his mother, triggering an awakening of his true nature. "You are my kind," the murderer declares. "You… aren't my kind," Hansol answers coldly. Operating as a psychopath profiler with police detectives, this apathetic genius transforms his psychological darkness into a weapon against criminals. Can he prove himself fundamentally different by establishing himself as an elite profiler?