在这部疯狂的曼顿小姐喜剧/犯罪/悬疑片中,出身豪门的曼顿小姐(芭芭拉·斯坦威克 Barbara Stanwyck 饰)某天在遛狗时发现一个朋友从一栋老房子中慌忙跑走,她进入老房一探究竟,结果发现一具身体就躺在其中,惊愕不已的曼顿小姐急忙报警,但等警察赶到后房内却空无一物,警察们对曼顿小姐大发脾气,认为她又在一如既往地耍人,让曼顿小姐更为愤怒的是,报社编辑彼得(亨利·方达 Henry Fonda 饰)知道此事后在报纸上对曼顿小姐进行肆意批判,为了挽回自己荣誉,曼顿小姐与她的千金姐妹团们开始寻找案件的真相。
Madcap debutante Melsa Manton finds a body in a deserted house. Of course, the police don't believe her. Stung by Peter Ames's front page editorial decrying her "prank," Melsa enlists seven fellow debs to help her investigate. The wisecracking young ladies proceed to run circles around the police, the suspects, and the press.