At the same time, a mysterious email draws the CIA's attention to the Torchwood Institute. Agent Rex Matheson travels to Wales to find the last known surviving member of Torchwood. Meanwhile, the world's population begins to realize the consequences on a planet of ultimately limited resources where no one dies and 500,000 children are born each day.

After the team are reunited, Jack ends up realising that he is now the most vulnerable person on the planet. A trip to America by plane ends up turning into a desperate battle to stay alive. The Torchwood team find themselves on the run and end up discovering a new enemy. As they attempt to launch a raid on PhiCorp headquarters, Jack has to confront Oswald Danes.

The team travel to California, where a trap is waiting as they continue their fight against PhiCorp. Oswald and Jilly have to face an enemy of their own, Torchwood goes undercover and discovers the terrible truth behind the Miracle. The enemy is closing in, and death is about to make a shocking return. With Gwen, Rex and Esther trapped on both sides of the Atlantic, it's a race against time as Jack goes straight to the heart of the conspiracy.

For Now Story: Gwen must fight to protect her family and takes a terrifying journey, covering both miles and decades, as the long history of the Miracle is revealed.