圣弗兰西斯女子学院的两个新来的意气风发的年轻女学生，和她们的困惑的姐妹们接受了来自学院中的圣母的挑战。

入夜后的伦敦大雾弥漫，年轻律师洛根被困在拥挤不堪的皇家旅馆里，他预订的单人房间已经住上了人。只好住进昂贵的房间。旅馆里的盛大舞会散场后，客人们无法回家，经理想在洛根的房间里安排一些客人，遭他拒绝。年轻漂亮的大家闺秀莱斯丽却趁众人走后偷偷地溜进了房间。洛根想赶走她，没想到莱斯丽伶牙俐齿，自己最终败下阵来，只好睡在地上。第二天莱斯丽不辞而别。洛根的一个老客户梅尔找到他，怀疑自己的妻子与人在外过夜。洛根心里忐忑不安，以为昨夜的莱斯丽就是梅尔的妻子。
在一次法庭审理离婚案的诉讼中，洛根发表诋毁妇女的言论。旁听的莱斯丽十分生气，巧妙地利用洛根的误会，给了他一个教训。

Conceited radio announcer irritates everyone else at the station.

Following the death of her fiancé, Margot Weston is left pregnant and unmarried. Former doctor Jim Howard helps the desperate Margot. When her son is born, Jim helps her find a home for the baby with Phil Marshall and his wife. Margot insists that neither the Marshalls nor the child can ever know that she is his mother.

Three sisters take their small inheritance and move from Kansas to California in search of rich husbands. To start with Pamela poses as a socialite and Moira and Elizabeth pretend to be her staff.

Bumbling policeman P.C. Josser is dismissed from the force after a disastrous attempt to distinguish himself at a nightclub. Mistaking his own comrades for criminals, he inadvertently "bowls them over like nine-pins," leading to his immediate firing. After losing his job, Josser sets himself up as a private detective. He is hired by a young lady who owns a racehorse and needs protection for her "favourite" horse before a big race. To protect the animal, Josser goes undercover as a stableman. Despite his efforts, the horse is drugged, leading to further comedic mishaps as he attempts to solve the case and redeem his reputation.