Torchwood are forced underground, as the government takes swift and brutal action. With members of the team being hunted down, only Lois holds the key to Torchwood's salvation - but she is helpless as her superiors make plans for the mysterious Floor 13.

Torchwood finally learns the truth about the events of 1965. But Britain is in danger of becoming a rogue state, and everything now pivots around John Frobisher, as the Ambassador of the 456 destroys its old allegiances and reveals its true intent.

With the whole world in recession, a defeated Torchwood team take their last chance and make a deal with the devil.