The world descends into chaos as the final sanction begins, Gwen must stand alone and fight on her hands when the Government puts into action its plans to remove the underachieving ten percent of British children.
There is only one way for Jack to save the children of Earth - making the ultimate sacrifice...
As the Ambassador shows its intent, the Torchwood team discovers the truth of what happened in 1965.
As the 456 announce that they have arrived, the world focuses on Britain.
As the government makes plans for Floor 13, Torchwood must go underground.
There is a mysterious signal reaching out to large groups of helpless children. When the Torchwood team gets involved, they inadvertently place themselves in mortal danger.