Susana is an unappreciated, naive and somewhat clumsy orphan who has lived since she was a child at doña Engracia's house, because her mother died a few days after she was born. In this house, which also houses three nephews of doña Engracia without a penny to one's name, Susana is the maid of all. Economic necessities lead Engracia to rent a room. Felipe, a handsome man with a bad reputation, will reply to the ad.
| Directing | Juan de Orduña | Director |
| Writing | Pilar Millán Astray | Writer |
| Writing | Margarita Robles | Screenplay |
| Writing | Rafael J. Salvia | Screenplay |
| Writing | Eloy Herrera Santos | Screenplay |
| Production | José Frade | Executive Producer |
| Sound | Alfonso Sáinz | Original Music Composer |
| Sound | Lina Morgan | Music |
| Editing | Magdalena Pulido | Editor |
| Art | Adolfo Cofiño | Set Decoration |
| Costume & Make-Up | María Nieves Ruiz | Hairstylist |
| Costume & Make-Up | Dolores García Rey | Assistant Makeup Artist |
| Costume & Make-Up | Fernando Florido | Makeup Artist |
| Production | Luis Méndez | Production Manager |
| Directing | Joaquín Vera | Assistant Director |
| Directing | Consuelo Alfaya | Script Supervisor |
| Crew | Alberto Masulli | Choreographer |
| Sound | Los Pekenikes | Music |
| Camera | Antonio L. Ballesteros | Director of Photography |
