Husband and wife George (Michael Fassbender) and Kathryn (Cate Blanchett) Woodhouse are a happy married couple, and they don't even mind working together in the same business. Secret Service. If they have any secrets from each other, they are strictly business. However, their relationship takes on a completely unexpected dynamic when it becomes apparent that there is a person within the spy team who is selling information to the "other side". Both George and Kathryn are thus faced with the real possibility that the traitor is their life partner, and they soon find themselves at a crossroads where they must decide whether to prioritize their work or their relationship. In this case with very fatal consequences. Their only hope is to find another villain on the team, or a scapegoat to blame. But when elite spies play a subtle game against each other, you can't be sure of anything, because truth and lies in such an environment have very vague contours.