The Beast Below - episode synopsis

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 at 6.15pm:

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.