Sailor of the King (1953)

A British naval officer experiences a fleeting romance with a woman in England, unaware that she has given birth to his son. Two decades later, the son serves on a ship under his father's command, engaged in the pursuit of a German Raider. When the ship is sunk and he is captured, the young man cleverly devises a plan to hinder the Germans’ advance while a relentless search for him unfolds. As destinies intertwine, the stakes rise in this gripping tale of courage and unexpected connections.