All 5 episodes of the series will be available on Monday, December 26.
When the past catches up with the newly appointed head of MI6 (Cox), in the form of a Russian spy with whom he shares a complicated past, he is forced to question everything and everyone in his life. Secrets, lies and diplomatic relationships will all come to light.
In addition to Cox, the series stars Olga Kurylenko, Oona Chaplin, Tracy Ifeachor and Ciarán Hinds.
Matt Charman created the drama. He executive produces with Foz Allan, Valery Ryan and director Louise Hooper. Binocular Productions produces.
