Stephen and Celeste try to rebuild their shattered lives.
But Daniel's world turns to terror when Viktor has to flee from Kiev, and Daniel uses his birthday party at Muriel's to reveal his dangerous plan to family and friends.
Rosie loses her job, while Edith's former life as an activist calls her back into action on a secret mission. But the Lyons children are united when they discover that their long-absent father, Vincent, has died.
On the day of the General Election that sees Viv Rook rising to power, they attend the funeral and face many home truths.
Back at home Celeste is left alone to cope, as Bethany's obsessions lead her into terrible danger.