Spain, late 19th century. Judge Javier Zarco finds in a cemetery a skull pierced by a nail and suspects that a murder has been committed. When he investigates the case in depth, his suspicions fall on the woman who was going to marry the deceased.
| Directing | Rafael Gil | Director |
| Writing | Eduardo Marquina | Dialogue |
| Writing | Rafael Gil | Screenplay |
| Camera | Tomás Duch | Director of Photography |
| Camera | Alfredo Fraile | Director of Photography |
| Editing | Juan Serra | Editor |
| Art | Enrique Alarcón | Set Decoration |
| Directing | Luis Berraquero | Second Assistant Director |
| Directing | José Antonio Nieves Conde | First Assistant Director |
| Sound | Juan Quintero | Original Music Composer |
| Sound | Jaime Torrens | Sound Engineer |
| Writing | Pedro Antonio de Alarcón | Short Story |
