The trustees of Midwestern University have forced three teachers out of their jobs for being suspected communists. Trustee Ed Keller has also threatened mild mannered English Professor Tommy Turner, because he plans to read a controversial piece of prose in class. Tommy is upset that his wife Ellen also suggested he not read the passage. Meanwhile, Ellen's old boyfriend, the football player Joe Ferguson, comes to visit for the homecoming weekend. He takes Ellen out dancing after the football rally, causing Tommy to worry that he will lose her to Joe.

Lucky Jackson arrives in town with his car literally in tow ready for the first Las Vegas Grand Prix - once he has the money to buy an engine. He gets the cash easily enough but mislays it when the pretty swimming pool manageress takes his mind off things. It seems he will lose both race and girl, problems made more difficult by rivalry from Elmo Mancini, fellow racer and womaniser.

When a hypochondriac assumes that he is dying, he makes an elaborate plan to ensure his wife's happiness. However, trouble ensues when she misunderstands his intentions.

When Pa wins a jingle-writing contest, he and Ma head for New York City. They they get in trouble with gangsters when they lose some stolen money which they had already agreed to deliver to one of the thugs.

The adventures of oil well fire specialist Chance Buckman (based on real-life Red Adair), who extinguishes massive fires in oil fields around the world.

A stranded carnival dancer takes on a corrupt political boss when she marries into small-town society.

Research chemist Barnaby Fulton works on a fountain of youth pill for a chemical company. One of the labs chimps gets loose in the laboratory and mixes chemicals, but then pours the mix into the water cooler. When trying one of his own samples, washed down with water from the cooler, Fulton begins to act just like a twenty-year-old and believes his potion is working. Soon his wife and boss are also behaving like children.

When Joan Boothe accompanies husband-reporter David to Las Vegas, she begins gambling to pass the time while he is doing a story. Encouraged by the casino manager, she gets hooked on gambling, to the point where she "borrows" David's expense money to pursue her addiction. This finally breaks up their marriage, but David continues trying to help her.

Lorelei Lee is a beautiful showgirl engaged to be married to the wealthy Gus Esmond, much to the disapproval of Gus' rich father, Esmond Sr., who thinks that Lorelei is just after his money. When Lorelei goes on a cruise accompanied only by her best friend, Dorothy Shaw, Esmond Sr. hires Ernie Malone, a private detective, to follow her and report any questionable behavior that would disqualify her from the marriage.

In occupied France, a convicted thief and murderer escapes the guillotine when a bombing raid strikes the prison, but is quickly re-captured by the inspector of the Surete responsible for his original arrest. Fearing the guillotine more than his actual death, the convict inveigles the inspector to help him with a plan to rescue 100 Frenchmen taken by the Gestapo following an act of sabotage: he will confess to being the saboteur and allow himself to be executed by firing squad, the Gestapo's method of execution, thus freeing the 100 men.