The BBC have issued the synopsis for the second episode of the new series, The Beast Below. Here’s what they say about the story due for broadcast on April 10:

The Doctor takes Amy to the distant future, where she finds Britain in space. Starship UK houses the future of the British people, as they search the stars for a new home. But as Amy explores, she encounters the terrifying Smilers and learns a deadly truth inside the Voting Booth.

The Doctor is played by Matt Smith and Amy Pond by Karen Gillan.

Episode two is written by Steven Moffat.”