A man thinks he's being cheated and hires a detective to watch over his wife on a cruise, but she hires a singer to impersonate her.
| Directing | Ernesto Arancibia | Director |
| Writing | Sixto Pondal Ríos | Writer |
| Writing | Carlos Olivari | Writer |
| Sound | Alejandro Gutiérrez del Barrio | Music Director |
| Sound | Ramón Ator | Sound |
| Camera | Francis Boeniger | Director of Photography |
| Camera | Carmelo Lobótrico | Camera Car |
| Sound | Juan Carlos Gutiérrez | Sound |
| Editing | José Gallego | Editor |