The plot will follow a busy family from Manchester with their lives converging on one crucial night in 2019.
Cast: Jade Alleyne, Maxim Baldry, Sharon Duncan-Brewster, Jessica Hynes, Rory Kinnear, Ruth Madeley, T'Nia Miller, Anne Reid, Emma Thompson, Russell Tovey, Lydia West, Lee Comley, Andrew Joshi, Rachel Logan, William Bale, George Bukhari, Zita Sattar, Aaron Ansari
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.
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.
The world is still reeling from the events of Hong Sha. Daniel tries to build a new life with Viktor, but ex-husband Ralph takes a terrible revenge which will have consequences for the whole family.Edith is badly affected by what happened abroad, and returns home for good.
One night in 2019, politician Vivienne Rook causes a scandal on live TV. At the same time, the Lyons family is united, as Rosie gives birth to a son.