A news story in the newspapers announces the investigation by the police of a major scam. Precisely, following the steps of the author of that crime, we will know the cabaret where the whole action of this drama will take place. A place where the paths of a multitude of characters cross and where it is possible to find men and women of great humanity.

Serving the customers of a department store, the salesgirls in their blue uniform go out of their way to serve them. But in their young minds, one idea surpasses all: the hunt for a husband. Ana is in love with Juan, who seems to be very well in his condition of single. Olga has aspirations of the highest level, as her boyfriend must own a great car. Pilar aims to win a radio contest. And there is also Álvaro, the lawyer whose only cause capable of defending, and even with a resounding failure, is the freedom of the bachelor.

Clara, determined to earn her living and be valued for herself, leaves his rich father's home, changes her name and takes a room. While copying paintings at El Prado Museum, she meets Juan, who is also hiding his identity, pursued under charge of murder.

Alegría meets a famous bullfighter and they fall in love. But Mari Paz, the bullfighter’s girlfriend, devises a scheme to break up their romance.​​​​​​​​​​​​​​​​