To keep from being detained by Captain Randall, Claire (Caitriona Balfe) marries Jamie (Sam Heughan) in order to become part of the MacKenzie clan.
An ordinary day becomes terror, as every single child in the world stops. A message is sent to all the governments of Earth: ‘We are coming’. But as a trap closes around Captain Jack, long-forgotten events from 1965 threaten to reveal an awful truth.
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.
Torchwood is 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.
[Season Finale] Torchwood is defenceless, and Gwen Cooper stands alone. As violence erupts and the world descends into anarchy, an ordinary council estate becomes a battleground, where the future of the Human race will be decided.