A group of married couples intend to celebrate their traditional joyous dinner together. The festivities turn sour when an anonymous telephone caller informs the husbands that one of the wives is guilty of adultery. But...which one?
| Directing | Alfonso Balcázar | Director |
| Writing | Alfonso Balcázar | Writer |
| Writing | Miguel Cussó | Writer |
| Writing | Alfonso Paso | Book |
| Production | Francisco Balcázar | Executive Producer |
| Sound | Federico Martínez Tudó | Music |
| Camera | Federico G. Larraya | Director of Photography |
| Editing | Teresa Alcocer | Editor |
| Art | Juan Alberto Soler | Set Decoration |
| Costume & Make-Up | Ascensión Hernández | Assistant Makeup Artist |
| Costume & Make-Up | Adrián Jaramillo | Makeup Artist |
| Costume & Make-Up | Hipólita López | Hairstylist |
| Production | Valentín Sallent | Production Manager |
| Directing | Gonzalo Delgrás | Assistant Director |
| Art | Antonio Arias | Property Master |
| Camera | Jaime Biadiú | Assistant Camera |
| Camera | Mario Bistagne | Camera Operator |
| Camera | Manuel Gausa | Still Photographer |
| Editing | Ángeles Pruña | Assistant Editor |
