Elena is pregnant and Carlos, the future father does not have financial means to marry her. The solution is in a game show that offers substantial rewards to those who can correctly answer questions about the forties. Patricia, Elena's older sister, mobilizes the whole family. Carlos will undergo an intensive study plan.
| Directing | Rafael Romero Marchent | Director |
| Writing | José Luis Navarro | Writer |
| Writing | Rafael Romero Marchent | Writer |
| Production | Eduardo Manzanos | Producer |
| Sound | Gregorio García Segura | Music |
| Camera | Emilio Foriscot | Director of Photography |
| Editing | Antonio Gimeno | Editor |
| Art | Jaime Pérez Cubero | Production Design |
| Costume & Make-Up | Mercedes Bayón | Hairstylist |
| Costume & Make-Up | Adolfo Ponte | Makeup Artist |
| Production | Ignacio Gutiérrez | Production Manager |
| Production | Gregorio Manzanos | Production Manager |
| Directing | Mariano Canales | Assistant Director |
| Directing | Ramiro De Maeztu | Assistant Director |
| Camera | Avelino Carla | Assistant Camera |
| Editing | María Luisa López | Assistant Editor |
| Editing | Amparo F. Roces | Assistant Editor |