Mario "Cantinflas" Moreno is a hired hand, Pepe, employed on a ranch. A boozing Hollywood director buys a white stallion that belongs to Pepe's boss. Pepe, determined to get the horse back (as he considers it his family), decides to take off to Hollywood. There he meets film stars including Jimmy Durante, Frank Sinatra, Zsa Zsa Gabór, Bing Crosby, Maurice Chevalier and Jack Lemmon in drag as Daphne from Some Like It Hot. He is also surprised by things that were new in America at the time, such as automatic swinging doors. When he finally reaches the man who bought the horse, he is led to believe there is no hope of getting it back. However, the last scene shows both him and the stallion back at the ranch with several foals.
Gambler Nathan Detroit has few options for the location of his big craps game. Needing $1,000 to pay a garage owner to host the game, Nathan bets Sky Masterson that Sky cannot get virtuous Sarah Brown out on a date. Despite some resistance, Sky negotiates a date with her in exchange for bringing people into her mission. Meanwhile, Nathan's longtime fiancée, Adelaide, wants him to go legit and marry her.
When her compulsive-gambler father dies, leaving her with an inheritance that amounts to zip, single gal Kim Halliday jumps at a caller's claim that she's part-owner of a Las Vegas "hotel." But hilarity ensues when she flies to Sin City to see it. While a wealthy casino owner eyes her dilapidated property, she takes a chance and tries to sell it to an hotelier's wealthy son.
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.
During the Korean War Lt. Sam Pryor volunteers his platoon to escort Greek troops to perform a reconnaissance mission behind Communist lines. Due to his Greek heritage Pryor is initially proud to accompany the Greek contingent but his feelings change to scorn and mistrust when what he believes is cowardice shown by the Greek soldiers and their leaders results in the near annihiliation of his own platoon. An uneasy alliance is maintained between the US and Greek troops as the enemy's true objective is learned.
This semi-film within a film opens in the office of producer George Jessel, who never saw a camera he couldn't get in front of, who is holding a story conference to determine the screen treatment for the life of Eva Tanguay, and Jessel is unhappy with what the writers present him.He tells them to look up Eddie McCoy, Eva's one-time partner, for the real inside story on the lusty and vital Eva. Eddie's version is that he discovered her working as a waitress in an Indianapolis restaurant in 1912, wherein singer Larry Woods and his partner Charles Bennett get into a fight over her and both land in the hospital, and McCoy convinces the manager to put Eva on as a single to fill their spot. She flopped, but McCoy arranges for Bennett to be her accompanist, and she went out of his life. The writers look up Bennett, now head of a music publishing company, who says McCoy's story is phony, and it was Flo Zigfeld who discovered Eva for his Follies.
Marshovia, a small European kingdom, is on the brink of bankruptcy but the country may be saved if the wealthy American Crystal Radek, widow of a Marshovian, can be convinced to part with her money and marry the king's nephew count Danilo. Arriving to Marshovia on a visit, Crystal Radek change places with her secretary Kitty. Following them to Paris, Danilo has a hard time wooing the widow after meeting an attractive young woman at a nightclub, the same Crystal Radek who presents herself as Fifi the chorus girl. Plot by Mattias Thuresson.
On the day before Easter in 1911, Don Hewes is crushed when his dancing partner (and object of affection) Nadine Hale refuses to start a new contract with him. To prove Nadine's not important to him, Don acquires innocent new protege Hannah Brown, vowing to make her a star in time for next year's Easter parade.
Abigail Chandler has written her stuffy Boston relatives that she's a successful opera singer in New York. In reality, she works at a burlesque house and is billed as High-C Susie. When her sister Martha comes for a visit, Abigail tries to hide the truth from her.
Two soldiers on leave spend three nights at a club offering free of charge food, dancing, and entertainment for servicemen on their way overseas. Club founders Bette Davis and John Garfield give talks on the history of the place.
Flanders, Hispanic Monarchy, 1616. The inhabitants of the small town of Boom are busy organizing the annual local festivities when the arrival of the Duke of Olivares, who rules the country on behalf of the King Philip III of Spain, is announced. While the male citizens cowardly surrender to panic like rats on a sinking ship, the brave female citizens, led by the bold wife of the burgomaster, decide to become the best hosts the Spaniards can ever meet.