Torchwood relocates to LA to sneak into PhiCorp's headquarters to find some useful information, unaware that their mission has been compromised. Elsewhere, Oswald and Jilly face a new adversary in Ellis Hartley Monroe, who is using the Miracle Day for her own agenda.

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.