The Torchwood team travels across the world on a final, desperate mission, but the Three Families are unstoppable unless a terrible sacrifice is made.

Cast: John Barrowman, Eve Myles, Mekhi Phifer, Alexa Havins, Lauren Ambrose, Kai Owen, Bill Pullman, Arlene Tur, Teddy Sears, Marina Benedict, Veronica Diaz, Candace Brown, Tom Price, Laura Waddell, Daniel Espeseth