Cuatro pillos y un vivales

When a wealthy young lady loses her inheritance, she decides to apply for work in disguise. In prim and proper working girl attire she becomes the respectable companion of a woman looking to reform her wayward nephew.

Let's Get Married is a 1937 American comedy film starring Ida Lupino, who plays the daughter of a political consultant, Joe Quinn. From Wikipedia

Having first lost his wife then his job as a tweed tailor, Alex Ponttin has devised a novel way to keep himself in touch with society. He admits himself into people's homes, by pretending to be a relative or an official, and persuading his victims to give him a night's free board: He finds at first a lunch at the horrible couple Dumont, where a thief follows him for a robbery. Alex spent an evening in front of TV at Marie, mother of seven children. He runs from Marie to find an evening and a new bed at the home of charming but shy lesbian Caroline and her funny lover Gloria. To save her inheritance, Caroline - accused for her homosexuality by her horrible sister Catherine - tells her aunt Amélie, that Gloria is her secretary and Alex her lover. So Alex has to present himself nude in Caroline's bed. He saves Carolines inheritance. The police officers investigating the case are so terminally stupid that Alex has little chance of being arrested.

When Madame Adelaide Bonfamille leaves her fortune to Duchess and her children—Bonfamille’s beloved family of cats—the butler plots to steal the money and kidnaps the legatees, leaving them out on a country road. All seems lost until the wily Thomas O’Malley Cat and his jazz-playing alley cats come to the aristocats’ rescue.

When a dinner party descends into a vicious sibling argument between Tom and Emily, their partners Jade and Norman can't wait to escape, but clumsy revelations quickly expose that the one thing they have in common is a truly awkward secret.

Samantha Vance inherits the Tiki Hotel when her father dies. She decides to fix it up but has problems drumming up business. Her friends throw a party at the hotel and an idea is born to make it the "Bikini Hotel" with all of the staff members wearing bikinis. This elicits jealousy in the nearby Regent Hotel who wish to turn Samantha's hotel into a parking lot. It all culminates in a competition where the winner gets to stay.

Jimmie is seeing his single friends get married one by one. He isn't too worried until his girlfriend Anne catches the bouquet at his friend Marco's wedding. Suddenly, his wild mustang days are numbered. He finally decides to propose to her, but he sticks his foot in his mouth and botches the proposal. Being insulted by the defeatist proposal, Anne leaves town on an assignment. After she's gone, he finds out that his recently-deceased grandfather's will stipulates that he gets nothing of a multi-million dollar fortune unless he's married by 6:05pm on his 30th birthday: tomorrow! Not being able to find Anne, Jimmie begins backtracking through his past girlfriends to find a wife.

When Longfellow Deeds, a small-town pizzeria owner and poet, inherits $40 billion from his deceased uncle, he quickly begins rolling in a different kind of dough. Moving to the big city, Deeds finds himself besieged by opportunists all gunning for their piece of the pie. Babe, a television tabloid reporter, poses as an innocent small-town girl to do an exposé on Deeds.

Heiress Nancy Crocker Fleming will only receive her inheritance if she marries a "plain American." Her late father was afraid a foreign gigolo would steal her heart and money. So Nancy pays Tony Anthony, working on a WPA road project, to marry, then divorce her. When Nancy inadvertently drives off with Tony's dog, Tony seemingly kidnaps her to retrieve the pooch, which leads to a cross-country race between the two to reach Reno and the divorce court since neither one wants to be the second to file papers.

A snobbish investor and a wily street con-artist find their positions reversed as part of a bet by two callous millionaires.

Just after a jury finds Ann Grey guilty of murder, the car carrying her to prison crashes into another car. Ann escapes and ends up in lawyer Tony Baxter's car. Tony realizes Ann is innocent, so he vows to help her prove it, risking his neck in the process. Tony and Ann are pursued by the police and by Smiley Gordon, a mob boss who engineered Ann's escape thinking that she can lead him to a $250,000 stash.