Emma finds herself isolated and finally making sense of a past where she murdered Theresa because she was having an affair with Kit. To assuage her guilt she pursues the truth about Jess and puts herself in further danger and leaves herself open to the terrifying presence of John Tyler. Mary numbs her pain with sex and drugs and renews John’s mission, unaware he is reaching his dangerous peak.

• Harriet Warner

• Elliot Fletcher
• Lily Rabe
• Hamish Linklater