On the dark frozen planet where no globe should be, in a doomed city with a sky of stone, the final denizens of Earth’s long-lost twin will pay any price to survive, even if the laser beam scalpels cost them their love and hate and humanity. And in the mat-infested roads, round tea-time, the physician and Nyssa unearth a black marketplace in second-hand body parts and operate the gauntlet of augmented police and their augmented horses. And just between your tramstop and the picturehouse, their most severe suspicions are verified: the Cybermen possess only just started, and the physician will be, just as he always provides been, their saviour…