When the TARDIS is in need of repairs, the Doctor and Peri are forced to land on Varos, a mining planet whose population is entertained and enslaved by a sadistic system of public torture and execution, and find themselves the latest unwilling subjects in this most extreme form of reality TV.
At the Tranquil Repose mortuary, the Doctor and Peri uncover a sinister plot to create a new breed of Daleks under the supervision of the mysterious Great Healer.
An alien distress call draws the Doctor and Peri to Earth, 1985, where they uncover a Cyberman plot to change the course of history.
