本片是一部英国悬疑片，上映于1990-02-18，由理查德·斯宾塞导演，由大卫·苏切/休·弗拉瑟/菲利普·杰克森主演。
剧情简介：A young couple, the Robinson's, rent a beautiful new flat for about the half the going rate of the same flats in the building. Poirot is puzzled by this, when he hears that many others had tried to rent the flat and were turned down. Poirot believes there is something unique about the Robinson's, and that whatever it is that makes them different, that difference is somehow related to a woman who stole secret American submarine plans and has fled to London. An FBI agent has joined forces with Inspector Japp and his team from Scotland Yard to follow the thief and recover the stolen plans, but the partnership between the FBI and Scotland Yard is far from cordial.
外文名：Poirot: The Adventure of the Cheap Flat
别名：大侦探波罗系列之廉价公寓的秘密
类型：悬疑 / 犯罪
地区：英国
导演：理查德·斯宾塞
编剧：罗素·穆雷 / 阿加莎·克里斯蒂
演员：大卫·苏切 / 休·弗拉瑟 / 菲利普·杰克森 / 保琳·莫兰 / 萨曼莎·邦德 / 威廉·胡特金斯
