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.

Gemma Arterton

Catrin Cole

Sam Claflin

Tom Buckley

Bill Nighy

Ambrose Hilliard / Uncle Frank

Jack Huston

Ellis Cole

Helen McCrory

Sophie Smith

Eddie Marsan

Sammy Smith

Jake Lacy

Carl Lundbeck / Brannigan

Rachael Stirling

Phyl Moore

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