The Doctor awakes inside a mental asylum suffering from some kind of an identity crisis, the nefarious Canon Black takes the Doctor away and places him as a soldier in 1792 during the Russian conflict allowing the Destroyer of worlds to return and devour the world as he once planned, Lucy Miller[Sheridan Smith] must get the Doctor to remember who he is in time to stop the Time of the Destroyer, however The Doctor has taken to his new life in 1792 and has also taken to his new lady friend Catherine the Great.
