When the U.S. invasion and the landing of troops in 1847 begins, the former cadet Miguel de la Peña (Jorge Negrete) and his friend Agustin Melgar (Jose Macip) decide to return to the military college and fight heroically in the defense of the Mexican army.

A young woman, a thief and a lawyer find themselves in the same hotel room without planning it. Mercedes, the thief, has a brother who, by mistake, kidnaps the lawyer Alberto, which will cause a mess.

Cantinflas is the apprentice of a renowned scientist, Prof. Arquimides Monteagudo (Carlos Martinez Baena). But Cantinflas has the soul of a poet rather than a serious researcher, and he wants to find the formula that achieves the immortality of the roses. Nevertheless, after the death of Prof. Monteagudo, Cantinflas will be chased by a ferocious corporative group, who wants to steal the secret formula of a cheaper fuel named "carburex", because they think that our friend is the only person who knows the composition

A slapstick fantasy of the amorous adventures of a magician a la Cantinflas.

Cantinflas works as a porter, who writes letters and speeches in his old writing machine to earn an extra money, despite the fact that he still goes to school. The sentimental issues come when Cantinflas falls in love of his pretty neighborhood (Silvia Pinal), who is handicapped and unable to walk. The thing wont be easy, because a young military man also has feelings for the girl. But the porter wants to see her happy, and he will become a sort of Cyrano De Bergerac, writing love letters to her signed by the young soldier. His plan is simple: to win money in the horse races in order to pay the operation which will make her walk again.

In the drama, a father, firmly believing that the baby daughter in his arms is not his own, abandons her upon the doorstep of the town drunk. Many years pass, and the man finds himself continually wracked with guilt about deserting her.

Portrayal of a family’s attempt to change the spending habit of the indulgent and hedonistic patriarch, Alfredo. The family decides to try to fool him into spending less by telling him that his large fortune is gone.

Confronted with the unfortunate news that their favorite Streetcar, no. 133, is going to be decommissioned, two Municipal Transit workers get drunk and decide to "take 'er for one last spin," as it were. Unfortunately, the "one last spin" ends up being an all-night and all-day scramble to stay out of trouble, as they are confronted with situation after sometimes bizarre situation that prevents them from returning the "borrowed" Streetcar!

A drifter lands a job as an officer in México City's elite motorcycle police unit and gets home with a mate of this unit. The mate is in love with a girl, but he and she are always making jealous to each other. The drifter and the mate get involved themselves in a fight to become the winner of conquering ladies and performing unit acrobatic tricks, interfering with their friendship and profession.