1947 film by Maxwell Shane

Agnes "Astra" Huston, a fortune teller at a run-down fair, is found strangled in her bedroom. As the police question five suspects, their interactions with her are shown in flashbacks from their point of view.

A British aristocrat goes in disguise to France to rescue people from The Terror of the guillotine.

A Canadian officer, David Anson, who falls for French dancer Nicolette Bonnett during wartime, has a child with her, and returns heartbroken after her death from a weak heart, only for his wife to adopt the son, linking their lives across continents and tragedy, exploring themes of love, duty, and lost time.

二战初期，丹麦商船 “海尔维格号” 船长安徒生（康拉德・韦特饰）因英国港口管制滞留伦敦。他在码头邂逅自称索伦森夫人（瓦莱丽・霍布森饰）的神秘女子，对方以寻找失踪丈夫为由，请求安徒生协助。
两人卷入一场德国间谍阴谋：间谍头目范戴恩（雷蒙德・洛威尔饰）企图窃取英国海军机密，索伦森夫人实为英国情报人员，正卧底调查。安徒生凭借机智与勇气，与船员、英国特工联手，在伦敦的夜总会、码头与间谍展开周旋，最终挫败间谍计划，救出索伦森夫人。
故事融合悬疑、动作与浪漫，以轻松幽默的笔触展现战时伦敦的紧张氛围，安徒生从普通船长转变为反间谍英雄，成为影片亮点。