Three sisters who believe life is going to be easy, now that their parents are back together, until one sister falls in love with another's fiancé, and the youngest sister plays matchmaker.
Denny breaks up with his fiancée Jean to marries wealthy Flora. When Jean is fired from her job she decides to market the face cream she invented. After sending it to twelve rich woman, only Flora decides to invest in the business. As Denny has no job, the girls give him an office at the factory. The business takes off, but Jean finds that she is still in love with Denny and Denny seems to forget he is married to Flora.
Jerry tries to out compete his older brother Cass, a lieutenant Naval aviator. Cass is both tough on and protective of his brother, but Jerry can give it right back.
Physician Carole Nelson, suspected of having ties to notorious gangster Joe Gurney, must prove her innocence or the Medical Board will revoke her license. When Gurney seeks her out for treatment after being shot, it could be the break Nelson needs. Now she has a chance to use her medical know-how to outwit Gurney and his goons and reestablish her professional reputation.
Young lovers Jack and Sally are from families that compete to send horses to the 1938 Kentucky Derby, but during the Civil War, her family sided with the South while his sided with the North--and her Uncle Peter will have nothing to do with Jack's family.
Returning by train to the French port of Le Havre, Jacques Lantier, a tormented railwayman, meets by chance the impulsive stationmaster Roubard and Séverine, his wife.
Heiress Nancy Crocker Fleming will only receive her inheritance if she marries a "plain American." Her late father was afraid a foreign gigolo would steal her heart and money. So Nancy pays Tony Anthony, working on a WPA road project, to marry, then divorce her. When Nancy inadvertently drives off with Tony's dog, Tony seemingly kidnaps her to retrieve the pooch, which leads to a cross-country race between the two to reach Reno and the divorce court since neither one wants to be the second to file papers.
Mary Smith decides after a lifetime of being a shut-in to do something wild while her father is out campaigning for the presidency, so she takes off for the family's home in West Palm Beach and inadvertently becomes romantically entangled with earnest cowboy Stretch Willoughby. Neither the dalliance nor the cowboy fit with the upper class image projected by her esteemed father, forcing her to choose.
Andrew Manson, a young, idealistic, newly qualified Scottish doctor arrives in Wales takes his first job in a mining town, and begins to wonder at the persistent cough many of the miners have. When his attempts to prove its cause are thwarted, he moves to London. His new practice does badly. But when a friend shows him how to make a lucrative practice from rich hypochondriacs, it will take a great shock to show him what the truth of being a doctor really is.
To stop Pinkie's widowed, struggling mother Dottie from marrying a well-off older man they know she doesn't love, teenager Pinkie and her best friend Buzz kidnap her in the family travel trailer to live a carefree life on the open road. They then get the idea to find Dottie a financially secure husband whom both she and Pinkie would like.
While in Shanghai reporting on the Sino-Japanese war, Chris Hunter, a shrewd news reporter, meets pilot Alma Harding. She does not trust him, but he manages to hire her as his assistant. During an adventurous expedition through the jungles of South America, her opinion of him begins to change.