Out of costume, Charlie is a clean-shaven dandy who, somewhat drunk, visits a dance hall. There the wardrobe girl has three rival admirers: the band leader, one of the musicians, and now Charlie.
Edna's father wants her to marry wealthy Count He-Ha. Charlie, Edna's true love, impersonates the Count at dinner, but the real Count shows up and Charlie is thrown out. Later on Charlie and Edna are chased by her father, The Count, and
Marine scientist Fred Miller designs the world's first underwater home, but when the business magnate funding his work threatens to end the project, Miller volunteers to live in it with his own family to prove it's practical. The underwa
Barbara is a very rich girl who falls in love with Norman Phiffier, a poor young man. She doesn't tell him who she really is and prepares to marry him. But, Mrs. Tuttle (Barbara's mother) doesn't want her daughter to mary such a
富顿教授（加里·格兰特 Cary Grant 饰）是一位科学家，正在研究一种能够让人返老还童的神奇药物。某一天，富顿用来试验药物的黑猩猩从笼子里逃了出来，在实验室里“大闹天宫”，没想到竟然在误打误撞之下将富顿一直想要研制但始终没有成功的神药给捣鼓了出来。 对此一无所知的富顿在偶然间喝下了这种药物，很快，药效便发挥了作用，富顿一反常态，言行举止俨然一幅二十岁小伙子的模样。秘书路易斯（玛丽莲·梦露 Marilyn Monroe 饰）前来拜访富顿教授，没想到却被他邀请去游泳、溜冰。之后，富顿的妻子爱德华（金
