The Doctor learns that a proposed Cardiff City nuclear power plant is actually a nefarious alien weapon designed to destroy the world.
With just six weeks to go until the wedding, the nerves and excitement are beginning to show. Gavin has a very important question for Smithy, while Nessa is having uncharacteristic doubts about herself.
When death itself comes to a halt, the whole world faces its greatest danger yet. CIA agent Rex Matheson has only one clue: the word 'Torchwood'.
Torchwood goes undercover and discovers the terrible truth behind the Miracle. But the enemy is closing in and death is about to make a shocking return.
The Torchwood team travels across the world on a final, desperate mission - but the Three Families are unstoppable, unless a terrible sacrifice is made...