Cassie Hobbes joined the FBI's Naturals program at seventeen because she had an incredible ability to read people. Since then, Cassie, fellow profiler Dean, emotion-reader Michael, lie-detector Lia, and statistical genius Sloane have caught serial killers, outsmarted masterminds, and saved countless lives. Now, eight months after the most twisted, traumatizing case of their lives and still dealing with the psychological fall-out, the Naturals decide to take on a joyful mission for once: playing matchmaker.