Emily Cossentino is a forensic scientist, specializing in autopsies. She has worked in the field for years. Ronny Hadfield is an all-around forensic scientist who does experiments on bodies in his spare time. Nathan Kalb is a up-and-coming detective, and Emily's ex of two years. Noah Kilgore is a man who turns himself in as a serial killer, but in fact is the opposite: he's the only man who can help Nathan, Emily and the rest of the crime department solve the serial killings of the Freckled Killer.