As the world recovers, Stephen and Celeste face a very modern nightmare, Daniel fights to keep hold of Viktor, and Edith finally returns home, carrying a terrible secret with her.

Daniel uses his birthday party to reveal a dangerous plan. And as Viv Rook rises to power, the Lyons gather for a funeral. But Celeste is left to fight alone as Bethany's obsession.

Viv Rook tightens her grip, and the Lyons fight back. But can one ordinary family hope to change the world?