Two families that hate each other coudn't hinder the marriage of their firstborns. From this relationship born two pair of twins. Unfortunately their parents die and each family take in one pair of twins. Time pass trough, the twins find each other and many questions need to be solved.
| Writing | Ignacio F. Iquino | Story |
| Writing | Ignacio F. Iquino | Screenplay |
| Directing | Ignacio F. Iquino | Director |
| Writing | Francisco Prada | Writer |
| Production | Aureliano Campa | Producer |
| Sound | Martín Montserrat Guillemat 'Serramont' | Music |
| Camera | Emilio Foriscot | Director of Photography |
| Editing | Antonio Graciani | Editor |
| Art | José Pellicer | Set Decoration |
| Costume & Make-Up | María Rius | Costume Design |
| Costume & Make-Up | Raffran | Costume Design |
| Costume & Make-Up | Amelia Alcaraz | Hairstylist |
| Costume & Make-Up | Luis Alcaraz | Makeup Artist |
| Production | Aureliano Campa | Production Manager |
| Production | Manuel Miralles | Unit Production Manager |
| Production | José Reverter | Assistant Production Manager |
| Directing | Ricardo Gascón | Assistant Director |
| Directing | Víctor López Iglesias | Assistant Director |
| Art | Ramón Miró | Property Master |
| Sound | Francisco Gómez Méndez | Sound Engineer |
| Camera | José Lázaro | Still Photographer |
| Camera | Salvador Torres Garriga | Camera Operator |
| Costume & Make-Up | Paquita Malatesta | Wardrobe Master |
| Editing | Carlos Sahuquillo | Assistant Editor |
| Crew | María del Carmen Serrano | Script |