Season 2Series 2
When the high-profile climate activist Marcus Calderwood is left for dead in a violent hit and run, he uses his dying moments to identify his killer - a serving policeman. But who is this unnamed ‘Officer X’? What does his own history reveal about the nature of trauma and revenge, and was Marcus’s death a careless accident or cold-blooded murder?
- First aired
- 1. 8. 2026
- Episodes
- 5 episodes, 5 aired
- Network
- BBC One
Elsewhere TMDB