Their sexually dissatisfying marriage life changes when Paula discovers her latent masochism after raped by her husband, Fernando. She welcomes Celia, a vicious young woman whom she has met in a park and, in the end, Paula ends up officiating as a dog of both, while Celia will eventually dominate the situation.
| Directing | Carlos Aured | Director |
| Writing | Carlos Aured | Writer |
| Costume & Make-Up | Dolores Merlo | Makeup Artist |
| Costume & Make-Up | María Agustina Noé | Hairstylist |
| Editing | Miguel González Sinde | Editor |
| Camera | Pablo Ripoll | Director of Photography |
| Crew | Paloma Garayalde | Script |