Tom is informed of 20 bombs that have gone astray in Liverpool. Minutes later a car bomb kills a family-planning doctor and their daughter.
As 165 Eaton Place reopens its doors, two new arrivals make their mark, and Lady Agnes reveals a dark secret.
Lady Agnes catches the eye of charismatic millionaire Caspar Landry, but a tragic turn of events leaves her dreams in jeopardy.
As the Annual Servants' Ball approaches, Mr Pritchard enjoys a romance with Miss Whisset, and wonders if there is more to life than service.
Jamal wants military support from the Chinese; Barry stays in Abuddin and stands up to the Caliphate; Sammy finds out that Abdul has been kidnapped.