The death of a young political researcher devastates her high-profile boss, and the press begin to question the nature of their relationship.

Cal's professionalism is tested when he discovers that Stephen has been lying to him. Della realises that her own life is in danger.

Cal is released from jail, and colludes with DCI Bell in a plan to smoke out the hit man. Meanwhile, it transpires that Sonia knew she had a job in Stephen's office months before she was interviewed.

Stephen, furious about the affair between Cal and Anne, tells the press in the hope of destroying Cal's reputation, but soon regrets it.

Cameron finds himself pressured by his board when the UK's largest oil company learn where the paper's investigation is heading. Cal invites Stephen to listen to an interview with Dominic Foy.

Stephen tries to find out who is protecting George Fergus. Cal and Cameron hatch a plan to print the story.