Sophie's privileged life as the wife of powerful politician James unravels when scandalous secrets surface — and he stands accused of a shocking crime.

On the set of a new film about Victorian artist JMW Turner, young actress Lou is haunted by an unresolved history. Meanwhile, in 1840 Londoners Lucy and Thomas try to come to terms with the meaning of freedom. Moving between London past and present, we embark on a powerfully personal voyage through time.