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 and Jorge are employees of a refrigerator, who one day see a bus where several beautiful tourists flirt with the guide who drives them and think that being guides will give them many love affairs. They manage to meet with the owner of the tourism company and his partner (Frías Garmet and Gamarro Salas, respectively), who hire them immediately, promising them a quick promotion in the company. In reality, Frías Garmet and Gamarro Salas are planning a scam of great magnitude, and they need two unwary to indisting them.

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.

Laucha, a normal middle-aged guy who lives with his elderly mother and works in a factory, attends a show by the transvestite artist Dominique, for whom he develops an unexpected fixation.