As the English Civil War rages, when both politics and religion divide the nation, spirited aristocrat Angelica Fanshawe is drawn to the anti-monarchist cause. She tells the story as England dares to execute its king and search for an alternative means of government.

• Andrea Riseborough
• Dominic West
• Tom Goodman-Hill
• John Simm
• Maxine Peake
• Michael Fassbender