Doctor Who: The Girl Who Died And The Woman Who Lived Synopses Released

The BBC has released the official synopses for the next two episodes of Doctor Who, “The Girl Who Died” and “The Woman Who Lived.”

The episodes feature the highly anticipated guest star role by Game of Thrones‘ Maisie Williams. Here’s the synopsis for “The Girl Who Died”:

Captured by Vikings, the Doctor and Clara must help protect their village from Space Warriors from the future: the Mire. Outnumbered and outgunned, their fate seems inevitable. So why is the Doctor preoccupied with a single Viking girl?

And here’s the synopsis for “The Woman Who Lived”:

England, 1651. The deadly Highwayman ‘The Nightmare’ and his sidekick stalk the dark streets of London. But when they find loot that’s not of this world, they come face to face with The Doctor. Who is the Nightmare in league with? And can the Doctor avoid the hangman’s noose and protect Earth from a devilish betrayal?

Doctor Who airs Saturdays at 9 p.m. ET on BBC America.