The Doctor and Liv return to post-World War One London, where the Doctor meets Kitty Donaldson (Beth Chalmers), and Liv strikes a friendship with her brother Martin (Barnaby Kay). But what mysterious force is hunting them?
The Monster of Montmartre
The Doctor and Liv's investigations bring them to Paris, where a monster stalks the streets.
Master of the Daleks
The Master and the Dalek Time Controller have forged an alliance. History hangs in the balance, and this time the Doctor can't help...
Eye of Darkness
It's the endgame. Truths will be revealed, and a hero will make the ultimate sacrifice.