Margarita Martin

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.

Juan Carlos, a businessman, falls in love with a woman much younger than him, and ends up marrying her. Juan Carlos' mother-in-law, following an incident with him, tells him a fabricated story: that the father of her daughter is a stranger, with whom she had sex in the car of a train. Coincidentally, this situation had happened to Juan Carlos many years ago, and now, with the doubts that his wife is his daughter, he does not even want to approach her on his wedding night.