A US Navy submarine, the USS Corsair, is operating in the North Atlantic, hunting German merchant raiders that are preying on Allied shipping. Its new executive officer, Lt. Ward Stewart, has been transferred back into submarines after commanding his own PT boat. At the submarine base in New London, Connecticut, he asks his new captain, Lt. Cmdr. Dewey Connors, for a weekend leave to settle his affairs before taking up his new assignment. On a train bound for Washington D.C., Stewart accidentally encounters New London school teacher Jean Hewlett and her students. Despite her initial resistance to his efforts, he charms her and they fall in love.
In turn-of-the-century San Francisco, an ambitious vaudevillian takes his quartet from a honky tonk to the big time, while spurning the love of his troupe's star singer for a selfish heiress.
Best friends Joan and Patricia are teenage autograph seekers who spend most of their day bumping into and having tea with movie stars like Greer Garson and Walter Pidgeon. Based on disinformation from a meddling governess, Joan also devotes some time to working on the no-problem marriage of her parents.
Frenchwoman Michele de la Becque, an opponent of the Nazis in German-occupied Paris, hides a downed American flyer, Pat Talbot, and attempts to get him safely out of the country.
A Serbian émigré in Manhattan believes that, because of an ancient curse, any physical intimacy with the man she loves will turn her into a feline predator.
When notorious pirate Henry Morgan is made governor of Jamaica, he enlists the help of some of his former partners in ridding the Caribbean of buccaneers. When one of them apparently abducts the previous governor's pretty daughter and joins up with the rebels, things are set for a fight.
Soldier Johnny Grey is engaged to marry singer Mapy Cortes, but his plans go awry when he learns that he is the heir to $100,000 from his great-grandfather -- a bequest that comes with a catch: before claiming the money, Johnny must marry a descendant of his great-grandfather's Civil War enemy, General Havelock-Allen. Not wanting to disrupt his planned marriage to Mapy, Johnny must figure out how to concoct a temporary marriage-of-convenience with the descendant -- who turns out to be the beautiful Terry Havelock-Allen.
A New York inventor, Tom Jeffers, needs cash to develop his big idea, so his adoring wife, Gerry, decides to raise it by divorcing him and marrying an eccentric Florida millionaire, J. D. Hackensacker III.
Hilarity ensues when a falsely accused fugitive from justice hides at the house of his childhood friend, which she has recently rented to a high-principled law teacher.