Paralytic Alicia is sent by her father to a bizarre clinic to be cured and soon begins to suspect sinister things are occurring upstairs (which the staff claim is uninhabited).
| Production | Heinrich Starhemberg | Producer |
| Directing | León Klimovsky | Director |
| Camera | Miguel Fernández Mila | Director of Photography |
| Editing | María Luisa Soriano | Editor |
| Sound | PHONORECORD | Music |
| Writing | Luis Murillo | Writer |