吉恩．怀尔德首次编导并主演之作。描述英国神探福尔摩斯的傻瓜弟弟，因为鸿福齐天，使他幸运地周旋在一个伪装的歌剧女星和一个无所不在的教授之间，从而破获了一宗神秘的国际间谍案。导演效法其师父梅尔．布鲁克的风格，拿福尔摩斯电影大开玩笑，但大部分场面显得无的放矢，只有一些片段显出喜剧光彩

Larry Abbot, speaker in the radio horror shows of Manhattan Mystery Theater wants to marry. For the marriage he takes his fiancée home to the castle where he grew up among his eccentric relatives. His uncle decides that he needs to be cured from a neurotic speech defect and exaggerated bursts of fear: he gives him a shock therapy with palace ghosts.

When a happily married family man, who would never consider an affair, meets a beautiful woman in red, he is totally infatuated and desperate to make her acquaintance. However, as he tries out various schemes to sneak out to meet her, he realizes that adultery is not quite as easy as it looks.