Gryffen is taken by Thorne to the crash site of a Fallen Angel, the spaceship that the space-time manipulator was found in. In the frozen wastes of his native Canada, Gryffen faces his own demons and again, the dreaded Korven. K9 and Starkey try to rescue Gryffen from this most evil of alien menaces. Gryffen finds the STM's missing dimensional stabilizer unit which he needs to control it properly. With it comes a mystery!