Portsmouth, 1794. Under thundery skies and in lashing rain, 17-year-old midshipman Horatio Hornblower takes the first tentative steps of his naval career, but a feud with a shipmate causes complications.

Alex leads a Special Forces squad back inside Point Blanc in a stealth mission to rescue his friends and stop Greif’s plans.

The Department finally solves the mystery of Ian’s death and realise that an old, lethal enemy has resurfaced. Alex faces off against his own duplicate in a desperate battle to…

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.

The Lyons family gather in 2019, unaware that their future holds many surprises. Absent sister Edith brings news from abroad that will change their lives forever.

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…