Host Harry Rose mixes a "cocktail" of musical acts.

When the representative of the Paris International Dance Exposition arrives in New York to invite the Academy Ballet of America to compete for monetary prizes, the taxi driver mistakenly brings him to the Club Ballé, a nightclub on the brink of declaring bankruptcy. The owners, Terry Moore and Duke Dennis, jump at the chance to go, despite being aware of the mistake. They hire ballet teacher, Luis Leoni, and his only pupil, Kay Morrow, to join the group, hoping to teach their two dozen show girls ballet en route to Paris by ship. Also going along and rooming with Kay is Mona, Terry's ex-wife, who wants to keep an eye on her alimony checks. Naturally, Kay and Terry fall in love.

A Russian dance company agrees to stage the new ballet written by a vaudeville hoofer.

A sports store clerk poses as a famous jockey as an advertising stunt, but gets more than he bargained for.

At a Mexican resort, a fast-talking magazine editor woos the dancer he's trashed in print.

A lay-about falls for his best friend's fiancee. The two of them run away from a life of privilege to one of middle-class normalcy. When an influx of money enters their life, their differences come to light.

Unscrupulous agent Rush Blake makes singing waiter Buddy Clayton a big radio star while Peggy Cornell, who has lost her own radio show, helps Buddy.

Donald Hardwick (Dick Powell) is a stuffed-shirt, classical music professor. His family and small-town music college that he works are of equal mindset. When Don visits his black-sheep aunt in New York in order to find a buyer for his Rhapsody he is exposed to her shocking swing music crowd. His life begins to make dramatic changes after drinking a "lemonade" that turns out to be a Hurricane.

In Brooklyn, fishing is the hobby of the workers Jonah Goodwin and Olaf Johnson and they use to fish every night in their old boat. Jonah's daughter is the twenty-one year-old telephone operator Stella Goodwin, who is an ambitious young woman that dreams on leaving her neighborhood. She is the sweetheart of the worker George Watkins, a simple man that dreams on marrying her. When the smalltime gangster Harold Goff arrives in Brooklyn, he extorts money from Jonah and Olaf to "protect" their boat from fire and dates Stella. Jonah tries to convince his daughter that Goff is a racketeer that takes money out of poor ordinary people but she does not care to her father since she sees Goff as her chance to have a comfortable life and visit new places. When she discloses to Goff that her father has savings, Goff demands the money to Jonah. Now the old man is convinced that the only chance to get rid off Goff is to fight back.

Joe and Paul Fabrini are Wildcat, or independent, truck drivers who have their own small one-truck business. The Fabrini boys constantly battle distributors, rivals and loan collectors, while trying to make a success of their transport company.

Hank McHenry and Johnny Marshall work as power company linesmen. Hank is injured in an accident and subsequently promoted to foreman of the gang. Tensions start to show in the road crew as rivalry between Hank and Johnny increases.

After World War I, Armistice Lloyd Hart goes back to practice law, former saloon keeper George Hally turns to bootlegging, and out-of-work Eddie Bartlett becomes a cab driver. Eddie builds a fleet of cabs through delivery of bootleg liquor and hires Lloyd as his lawyer. George becomes Eddie's partner and the rackets flourish until love and rivalry interfere.