Viv Rook tightens her grip, and the Lyons fight back. But can one ordinary family hope to change the world?
Viv Rook becomes prime minister, and while Edith investigates mysterious rumours, Rosie finds herself trapped in the system.
Daniel embarks on a dangerous quest to bring Viktor home, while Celeste takes a terrible revenge on Stephen. Viv sets her sights on the ultimate prize: 10 Downing Street.
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.
As Britain is rocked by unstable political, economic and technological advances, members of the Lyons family converge on one crucial night in 2019. Over the next 15 years, the twists and turns of their everyday lives are explored as we find out if this ordinary family could change the world.