The Tardis takes the Doctor and Turlough to the London of 1702, where a mysterious highwayman roams the streets, a local occultist has made contact with the dead and gentlemen of fashion are disappearing, only to find themselves in a chamber whose walls weep blood.... The time travellers become enmeshed in the hideous plan of Sir Nikolas Valentine, a gambler at the mysterious Diabola Club who always seems to have a winning hand.... Written by Mark Gatiss. Directed by Nicholas Briggs.
"Game of Death."
It is 4 March 1215, and the TARDIS materialises in England during a jousting match held in the presence of King John. It soon becomes apparent to the Doctor that something is very wrong. Why does John express no fear or surprise at the time travellers' sudden appearance and indeed welcome them as the King's Demons? And what is the true identity of Sir Gilles, the King's Champion? Very soon the Doctor finds himself involved in a fiendish plan to alter the course of world history by one of his oldest and deadliest enemies.
Germany, 1589: the townspeople of Cologne pronounce a sentence of death on a mass murderer who has stalked the countryside in the guise of a ferocious wolf. Russia, 1812: retreating from Napoleon's invading forces, a merchant's daughter is rescued from bandits by a handsome partisan with a ravenous appetite. Brazil, 2080: the Doctor and Turlough arrive for the Rio de Janeiro carnival. Is wealthy heiress Ileana de Santos all that she seems? What sinister ailment afflicts her invalid son, tended by the mysterious Dr Hayashi?