COBRA

Robert plans a visit to Northumberland as the region's crises continue to worsen, while Archie begins laying plans to take advantage of the situation and amass power. Fraser and Francine find common ground.

As the United Kingdom suffers under mass blackouts, one region spirals into chaos while the Prime Minister is faced with difficult decisions. Anna becomes re-immersed in her past before facing a dangerous situation, and a family crisis threatens the PM's reputation.

A possible global crisis faces Prime Minister Robert Sutherland and his chief of staff Anna Marshall as they deal with a fractious Cabinet, a long-lost person from the past, and troubles within the family.