An ordinary day soon segues into terror when every one of Earth's children suddenly stops. This inexplicable phenomenon is soon followed by a message to each of the world's governments: 'We're Coming'. Captain Jack finds himself in a vulnerable position when it becomes apparent that the events of his past threaten to reveal an unspeakable truth. Torchwood is forced underground, as the powers that be take brutal action. With the members of the Torchwood team being hunted down, the country itself risks becoming a rogue state, with the shadowy 456 edging closer and Armageddon with it. Can Captain Jack, Ianto and Gwen overcome these insurmountable odds in order to save the day?