Gwen awakes on her wedding day to find she has been impregnated by a shape-shifting alien male. With it's life-partner eager to retrieve it's mate at the cost of Gwen's life, the team race to intercept her as Gwen decides to go through with her marriage at a secluded location with all of her family present

Convicted child killer Oswald Danes is executed for his crimes and when he miraculously survives his fate a series of events is set in place that forces CIA Agent Rex Matheson to investigate a global event. His investigation leads him from America to Wales and an old defunct British Institute - Torchwood.

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.

With the whole world in recession, a defeated Torchwood team take their last chance and make a deal with the devil.

As the Torchwood team launch a final, desperate mission against the seemingly undefeatable Three Families, they realize it may come down to the ultimate sacrifice.