Liberal farmer Pepe has arrived in Santa Fe to visit his aunt, Dona Perfecta. While he's there, Pepe is eager to teach the traditional-minded townspeople a new way of living. Unfortunately for Pepe the people of Santa Fe aren't eager to embrace change, and when the citizens begin to voice resentment Pepe is forced to seek refuge with his sympathetic aunt. Dona Perfecta is just as traditional as any of the other townspeople though, and only suffers Pepe due to the fact that he is family. When Pepe and his cousin Rosario fall deeply in love, the situation quickly comes to a head.
Two sisters; one's an invalid. They fall in love with the same man.
A young orphan girl begins to witness strange phenomena in the house where she lives with her godparents.
Julio Cesar (Enrique Herrera), writer of soap operas, is very upset nerves. Dr. Jimenez (Alberto Galán) recommends an institution that will give he a therapy to cure these scares. To avoid exposure to bad publicity, is camouflaged by the pseudonym Justiniano Conquian . By chance, a taxidermist (Joaquin Pardavé) also named. His case is different: it is a millionaire heir heritage potential, but will only be legally recognized if it meets a peculiar condition in the will, having to spend a whole month in the gloomy castle Conquian, competing with other heirs of fortune. Dr. Jimenez is bribed by a cousin of Justinian to send the false Conquian scares Castle into thinking that is the sanatorium.
No te engañes corazón (released in English as Don't Fool Yourself Dear) is the first full-feature film of Cantinflas after becoming a star of the carpa circuit (folk theater). It was also one of the earliest films of Sara García and Carlos Orellana and the first where they share the screen. Don Boni (Orellana) is diagnosed with a deadly disease and decides to spend his last days doing good deeds. He leaves his wife and decides to help people. He then gets drunk and wakes up with a winning lottery ticket and realizes that the doctor who diagnosed him has been sent to prison for fraud.
Dr. Forti carries out strange experiments, assisted by his son Pablo. They embark on an expedition to the jungle. Eight years later Forti returns without his son but strange things start to happen in the old house where they live.