The Hour Before the Dawn

In this 1944 drama war film, an Austrian refugee in England, also a Nazi agent, marries a scholarly English pacifist, who lives near a secret military base she needs to gather information about. She poses as an Austrian refugee to meet with her supervisors, but is caught by her sister-in-law's son and must use her wits to evade capture. As tensions rise, the couple's marriage becomes a facade, threatening to destroy everything they hold dear.