During WWII, the United States set up army bases in Great Britain as part of the war effort. Against their proper sensibilities, many of the Brits don't much like the brash Yanks, especially when it comes to the G.I.s making advances on the lonely British girls. One relationship that develops is between married John, an Army Captain, and the aristocratic Helen, whose naval husband is away at war. Helen loves her husband, but Helen and John are looking for some comfort during the difficult times.
A gangster is unable to go straight after returning home from prison.
Stephanie and Terry are identical twins who have been raised separately since their parents divorced seven years earlier. Each envies the lifestyle of the other; and they decide, without telling Jeff or Mary, to switch families for a day or two. They soon find that it is harder to do what the other person is expected to do, and that looking alike is not enough. When they find that their charade may bring their parents back together, they agree to continue it. A major complication begins when Alice, Jeff's girlfriend and co-worker, finds out the real story.
At the Dimsdale Hall Finishing School, Assistant Dean Emily Godsall declares that any student who associates herself with swing music will be severely punished. Complications develop when she finds out that her boyfriend, a chemistry professor at the school, is also a well-known swing bandleader.
A temperamental director multiple times completely changes the concept during a movie's production.
Bad News Johnson, a con artist from Memphis, Tennessee, arrives in Dallas, Texas, accompanied by his dim sidekick July Jones with only twenty-five cents between them. The duo arrange to become boarders at the home of Louella "Mama Lou" Holiday, who is fooled into believing Johnson is an acting teacher from Hollywood. Mrs. Holiday agrees to give the men free room and board if they will provide poise lessons to her daughter, an aspiring beauty queen named Honey Dew.
Frank Bing is a big artist in the USA and arrives home in his native Sweden with his secretary Ada. The portier at the hotel has great difficulties keeping the adoring fans away from Frank. Among them is Peggy Dalin who has been tasked by her father with getting Frank to sign with his record company using her great charm.
A madcap comedy about a kid sister who tries to steal her older sister's boyfriend. Her plan involves joining forces with a burglar to rob the unfortunate suitor's home.
The government has set up a special agency to stamp out what it considers the number one public menace: the jitterbug. They aren't after the many followers, but the primary perpetrator of the jitterbug, who they've coined "Public Jitterbug No. 1". Hal Sturges is one of several agents working on the case who goes undercover as a dancer in Broadway haunts to find and capture Public Jitterbug No. 1. In his investigation, Hal runs across the beautiful Betty, a seemingly innocent bystander. Hal and Betty fall for each other. However Betty is unaware that Hal is a federal agent, and Hal is unaware that Betty is Public Jitterbug No. 1. Will their roles as agent and public menace number one take priority over their roles of man and woman?
Count Basie does a little rhyming rapping before going into this Benny Goodman instrumental composition. While he's playing, plenty of couples are jitterbugging constantly until, one by one, they get tired and start to fall down on the floor.