Ex-spy Max Easton is brought out of retirement against his will by George White, London chief of MI6/CIA team 'The Section'.

In Washington, we meet the CIA's Amanda Jones. Max, now in Beirut, doesn't know who to trust after speaking to Leyla, a member of The Section team there.

When Amanda Jones arrives in London she brings the full force of CIA dissatisfaction to bear on White, who struggles to retain control.

Anna and her brother struggle to protect her daughters in France. Alexander Said, who led the team in Tehran, arrives in London, but The Section head is in no mood for forgiveness.

Anna and her brother struggle to protect her daughters in France. Alexander Said, who led the team in Tehran, arrives in London to see White, but The Section head is in no mood for forgiveness. Max and Leyla stumble upon some information that could help them.

In London, Max’s digging stirs the attention of a sniper. In Washington Jones sends out a team to recover scientific evidence from an Iranian desert facility.