When a stunning new forensic specialist joins the FBI Behavioral Analysis Unit, she immediately stands out—not just for her beauty, but for her sharp sarcasm, unexpected kindness, and chaotic energy. She’s naive in the most disarming way, effortlessly charming, and far more dangerous than she looks. While the team tries to understand her, Spencer Reid finds himself completely thrown off by someone who can outmatch suspects… and completely disrupt his thoughts.