Vigil | Episode 4
Director: Tom Edge
Cast: Alastair Mackenzie, Amir El-Masry, Chris Jenks, Dougray Scott, Gary Lewis, Jonathan Ajayi, Oscar Salem, Romola Garai, Rose Leslie, Steven Elder, Suranne Jones
Description: : Amy and Eliza are held hostage by the dissidents at the heart of the investigation, who demand their help to infiltrate the base. Kirsten will do anything to find Amy.