Jorden har invaderats och Bill och Nardole måste inleda ett dödligt uppdrag för att rädda doktorn och leda motståndet mot den nya regimen, oavsett kostnaden.

"Gud bevare drottningen" har klottrats på Mars yta. Varför är viktorianerna på iskrigarnas hemmaplan? Och vad kommer de att hitta under marken på Mars?

As the New Year begins, a terrifying evil is stirring from across the centuries of Earth’s history. As the Doctor, Ryan, Graham and Yaz return home, will they be able to overcome the threat to planet Earth?

When intelligence agents around the world come under attack from alien forces, MI6 turns to the only person who can help- a certain Doctor and her companions. As they travel the globe in pursuit of answers, threats arrive from all sides, leaving Earth’s security resting on the team’s shoulders. But where will this planet-threatening conspiracy lead them?

In part two of this epic spy thriller, a terrifying plan to destroy humanity is about to reach fruition. Can the Doctor and her friends escape multiple traps and defeat a deadly alliance?