Luna has a fobia of cows for a peculiar reason: she herself moos instead of moaning when she has sex. Her condition complicates the relationship with her boyfriend, Rigo. In order to find her way to self-acceptance she will have to follow the clues left to her by a mysterious swan.
| Actor | Role |
|---|---|
| AAndalucíaLuna | Luna |
| IIsrael SosaRigo, the boyfriend | Rigo, the boyfriend |
| LLeonardo SchmitThe Incredible Cow-boy | The Incredible Cow-boy |
 Berenice MastrettaNeighbour | Neighbour |
 Aarón MendozaSwan-man | Swan-man |
 Paulina Álvarez MuñozValeria, the Donkey-girl | Valeria, the Donkey-girl |
| AAriadne AlfonsecaDrugged Person 1 | Drugged Person 1 |
| DDaniela RuizMistress of the house | Mistress of the house |
| JJimena GalaAriel, Bee | Ariel, Bee |
| IItziar LarrietaRené, Dog | René, Dog |