Treason follows Adam Lawrence, trained and groomed by MI6, whose career seems set. But when the past catches up with him in the form of Kara, a Russian spy with whom he shares a complicated past, he is forced to question everything and everyone in his life. A triangular relationship forms between Kara, Adam and his wife, Maddy; three people who are trying to expose each other's secrets, navigate political and diplomatic relationships, whilst hanging onto their personal lives, and those they love most.
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.
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.
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.
Adam flees London with the children after MI6 revokes his clearance. Before long, their hiding place is discovered — and blood is spilled.
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.
Complete episode guide for Treason with detailed information about every season and episode including air dates, summaries, ratings, and streaming availability in United States.
This episode guide is organized by seasons, making it easy to track your viewing progress or find specific episodes. Use the episode information to plan your binge-watching sessions or catch up on missed episodes.