Un sueño imposible, fugaz, como una estela de luz, concebido en feliz realidad.

Octavio Saldaña is a poor young dreamer who lives with his elderly mother and is an office worker at Manufacturas Sánchez-Bey. Mr. Bey rewards Octavio for his work by inviting him to spend a few days at a spa. There Octavio meets Lelly, daughter of a cloth manufacture, and to impress her he decides to pass himself off as a millionaire.