During the Blitz of World War II, a female screenwriter works on a film celebrating England's resilience as a way to buoy a weary populace's spirits. Her efforts to dramatise the true story of two sisters who undertook their own maritime mission to rescue wounded soldiers are met with mixed feelings by a dismissive all-male staff.
Helen McCrory
Sophie Smith

Eddie Marsan
Sammy Smith

Jake Lacy
Carl Lundbeck / Brannigan

Rachael Stirling
Phyl Moore