World War II brings divided loyalties and tough decisions for Hannah Austen-Bagshaw. Her privileged background can't stop her falling in love with working-class pilot Jack - but Hannah has a secret. Torn between her duty and her humanity, she is sheltering a young German pilot, all the while knowing she risks being arrested as a traitor. Hannah's worst fears are realised when Jack finds out what she has done and their love begins to unravel. Will her betrayal be too much for Jack to forgive?