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.
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.
After Amy and Kirsten battle for their lives against an armed killer, Amy follows a new lead to the Middle East. She discovers someone on the airbase was complicit in the attack.
When a weapons test turns deadly, with allies from the Middle East among the dead, all eyes are on DCI Amy Silva, who tries to ignore the politics to get to the truth.
Daniel uses his birthday party to reveal a dangerous plan. And as Viv Rook rises to power, the Lyons gather for a funeral. But Celeste is left to fight alone…
Feeling responsible for Tess’ safety, Leila realises Adrian is playing a game. But closing Red Pill down, Adrian sews the first seeds of doubt about Leila.
