When problems arise during a field exam, Director Peter Matthews and Dr. Laura Nelson are sent through a time portal to investigate. While they search for their missing cadets, they encounter an enemy who is calculating and brutal—a mysterious nemesis who is holding a grudge against the TEMCO program. As Peter and Laura race to unravel clues directing them to their kidnapped cadets, their own survival comes into question. A deadly trap has been set, and they are forced to pit their wits against a serial killer who is intent on playing a deadly chess game through time itself.