Vigil | Episode 3
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: : When an officer is stabbed on base, Eliza warns Amy to get control of her investigation. Meanwhile, Kirsten uncovers key evidence linking a squadron member to the attack.