Episode 1
Adam Lawrence immediately rises to the top of MI6 after his boss is poisoned. But a surprise meeting forces him to question his whole career.
Episode 2
With his family in fresh danger, Adam attempts to cut ties to his secret asset. Meanwhile, Maddy and Kara form covert alliances of their own.
Episode 3
In a bid to avoid treason charges, both Adam and Maddy go after Kara. But overheard conversations lead to big doubts about who they can really trust.
Episode 4
Adam flees London with the children after MI6 revokes his clearance. Before long, their hiding place is discovered — and blood is spilled.
Episode 5
More shocking secrets come to light as an unlikely team works to expose the truth, with lives and the very future of government hanging in the balance.