When a spy's secret lover is killed, an assassin is assigned to protect her life as she investigates the murder. Together they uncover a vast interconnected conspiracy that leads them to question the cost of their moral choices.
Keira Knightley , Ben Whishaw , Sarah Lancashire , Andrew Buchan , Andrew Koji , Kathryn Hunter , Sam Troughton , Ella Lily Hyland , Ken Nwosu , Gabrielle Creevy
