Torchwood: Children Of Earth rejoins Captain Jack, Gwen and Ianto who are still coming to terms with the death of two of their closest friends. Despite their pain, they have a job to do. This time they are faced with their fiercest threat to date - one which throws the future of Torchwood and the entire human race spiralling into danger.
An ordinary day becomes one of 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, the sins of the past are returning and long-forgotten events from 1965 threaten to reveal an awful truth. Torchwood is forced underground as the government takes swift and brutal action. As members of the team are hunted down, Britain risks becoming a rogue state.
As the new Torchwood adventure continues, the team is forced underground when 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.
The eyes of the world turn to Britain, as the 456 announce: "We are here," as the new Torchwood adventure continues. As a pillar of fire descends upon London, the members of Torchwood must battle to protect their own families as the fight gets personal. But will Clem's memories destroy everything?
Torchwood finally learns the truth about the events of 1965, as the adventure continues. But Britain is in danger of becoming a rogue state, and everything now pivots around John Frobisher (Peter Capaldi, In the Loop), as the Ambassador of the 456 destroys its old allegiances and reveals its true intent.
Torchwood is defenseless and Gwen Cooper stands alone, as the final sanction begins, in the last part of the new Torchwood adventure. As violence erupts and the world descends into anarchy, an ordinary housing estate becomes a battleground, where the future of the human race will be decided.