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.

Directed by: Miguel Contreras Torres
Runtime: 90 minutes
Related titles:
Cast:
Carlos Orellana Carlos Orellana
Don Boni 
Sara García Sara García
Doña Petro 
Natalia Ortiz Natalia Ortiz
Consuelito 
Eusebio Pirrín Eusebio Pirrín
Amigo de Canti 
Eduardo Vivas Eduardo Vivas
Don Gregorio (Goyo) Vidal 
Cantinflas Cantinflas
Canti