When William Gridley arrives from the US in London, he rents part of Carly Hardwicke__APOS__s house from her and promptly begins to fall in love. Gridley doesn__APOS__t know that many people think she killed her husband but his boss, the American ambassador, knows and doesn__APOS__t take this __QUOTE__lapse of judgement__QUOTE__ lightly. Since Carly is also American, Gridley saves his job by introducing her to the ambassador, who is promptly smitten and promises to help her. So when a Scotland Yard detective arrives, wanting to get to the truth one way or another, they say they__APOS__ll help him. And then the comedic complications really begin.