The young Candelas, seduced and abandoned by Arturo, an unscrupulous womanizer, meets two soldiers, Tiburcio and Angelillo, who, in order to help the girl out of her predicament, organize a musical recital to raise money.
| Directing | Jean Grémillon | Director |
| Camera | José María Beltrán | Director of Photography |
| Production | Luis Buñuel | Production Director |
| Writing | Carlos Arniches | Screenstory |
| Writing | Carlos Arniches | Dialogue |
| Writing | Carlos Arniches | Screenplay |
| Writing | Carlos Arniches | Lyricist |
| Sound | Daniel Montorio | Original Music Composer |
| Crew | Fernando Remacha | Additional Music |
| Sound | Antonio Fernández Roces | Sound |
| Art | Mariano Espinosa | Production Design |
| Crew | Eduardo Ugarte | Dialogue Coach |
| Directing | Luis Buñuel | Co-Director |