Friends Alberto and Jorge, who work together and live in the same building, are married to two sisters (Ethel and Gogó). Noticing that their sex life becomes boring, they cheat on them with co-workers. This is discovered and they are fired. Then, they get employed in a beauty institute, where they have many women at their disposal. Their wives learn of this mischief, and go to look for them at the institute, generating hilarious situations.

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.

A young couple has established an unusual family role: she works and he does the housework. Until one day, the couple's best friend intrudes on the tranquility of the home.

After the death of the village pharmacist, his widow Lina only inherits debts that he must face. Valentin, the old shoemaker, is the main creditor and the exuberant Lina must pay him what he owes, whatever it costs.