Something is moving through space, plunging all galaxies into oblivion. But what? The Daleks and the Cybermen work together, the Syrians overthrew mankind in order to create a new empire, and old friends and enemies unite as the universe faces its greatest danger. Only you, the new companion of the doctor, can prevent armageddon and prevent the events predicted in the frightening prophecy! Do you think you have coped with this task?