To celebrate his promotion, a manager (Javier Portales) decides to summon his brother from the field, but as he did not stop making disasters he sends him back. His brother (Jorge Porcel) is not convinced and dazzled by an advertisement decides to set up an investigation office.
Alberto, an employee of a car dealership, is commissioned by his boss to deliver a car that has been sold to a customer. Being a luxury car, he has no better idea than to invent an excuse to the new owner of the vehicle, delay delivery for the next day and use it to go out to have fun at night with his faithful friend Jorge. They both go to a revue theatre and, while witnessing the performance, the first vedette (Corina) faints. Then Alberto and Jorge pose as doctors, in order to meet Corina. As is to be expected, both decide to continue the deception with the passing of the days, causing the confusion to become bigger and bigger and harder to keep secret.
Ricardo is an executive who has great success with women and behaves almost like a play-boy. His wife, Carmen, an attractive housewife without children, it feels ignored by him and seeks solace from her mother, who proposes Carmen a change in the way she acts in order to do not lose permanently her husband or even fall into madness.
The young and inexperienced godson of a millionaire falls for a singer who is married. The millionaire opposes the relationship because he feels a "strange tenderness" for the boy.