A poor woman passes herself as singer that just arrives from Frances and becames a sensation on Rio de Janeiro's high society.

A parody of the story The Three Musketeers.

Three couples, two already living in Rio; and the third, with 'the one who hates carnival', coming to visit an aunt. One of the women bets that all husbands are unfaithful. They send invitations to their husbands to the carnival ball. They find a pretext to be able to attend. They, in turn, go in disguise, just like the maid. Hence the confusion at the ball, each one dating the other's wife.

As soon as Norma decides to get married, Sonia finds herself with only one option: to end her successful partnership with her friend who is about to get engaged. Saddened by the loss of the prestige she had earned over the years working alongside Norma, Sonia tries hard to raise any amount of money she can to put together a new musical number for herself.

An ordinary thief and two accomplices invade a mansion whose owners traveled to Buenos Aires. They settle there with the whole family, until the real owners return. The owner's natural son saves the thief's situation when he threatens to reveal some compromising documents.

A young woman from the countryside comes to Rio to try to be a theater star with the support of a friend, but to achieve what she wants, she ends up getting her own mother into trouble.