2. The Unfaithful Husband

Nessa's past, including her kidnap eight years previously in Gaza, is dug up by MI6 boss Sir Hugh Hayden-Hoyle, who is intent on getting answers despite being blocked by the CIA.

3. The Killing Call

Nessa's security advisor follows a lead as he hunts down the missing boy. Meanwhile, her brother Ephra makes a startling discovery that could blow the family, and its work, apart.

4. The Ribbon Cutter

Going back eight years, a younger Hayden-Hoyle climbs the ranks of MI6 whilst Nessa and Atika endure atrocities during their time held captive in Gaza and their captors scheme as to how she can best serve their cause.

5. Two Hearts

As their captivity continues, we discover the secret that will bond Atika and Nessa forever. Meanwhile, an academic in Tel Aviv working at a university funded by the Steins uncovers corruption that could have far-reaching consequences.

6. The Mother Line

When a Palestinian businessman makes Nessa an offer regarding the cabling initiative in the Middle East, Nessa discovers the full cost of her release from captivity eight years ago.

7. The Hollow Wall

Hayden-Hoyle uncovers an international government cover-up in relation to the Stein wiretap and Ephra is drawn into making a fatal mistake. In Palestine, an act of terrorism stuns the Stein family and the wider international community and has far reaching repercussions.

8. The Paring Knife

Hayden-Hoyle uncovers that Nessa has been manipulated both by people close to her and by governments intent on exploiting her work. A thrilling climax in the desert wastelands sees Nessa fighting to save her life and the kidnapped child's as she attempts to make her way home.