Madrid, Carnival Sunday. A night watchman finds the body of a woman, a rich and greedy moneylender who has apparently been murdered. The prime suspect is a watchmaker who owed her a lot of money.
| Sound | José Muñoz Molleda | Original Music Composer |
| Editing | Mariano Pombo | Editor |
| Camera | Enrique Barreyre | Director of Photography |
| Directing | Edgar Neville | Director |
| Production | Edgar Neville | Producer |
| Writing | Edgar Neville | Writer |