An animals' collectionist is despised by his wife so that he decide to comeet suicide, but the notice about the death of his brother, a pianist who lives abroad makes him change his mind. He makes his family think that he has commited suicide and some days after announce the arrival of his brother and he impersonate him. His wife recibes him with an affection that he was unaware to.
| Writing | Ignacio F. Iquino | Writer |
| Writing | Francisco Prada | Writer |
| Directing | Ignacio F. Iquino | Director |
| Production | Aureliano Campa | Producer |
| Sound | José Ruiz de Azagra | Music |
| Crew | Isidoro Goldberger | Cinematography |
| Editing | Juan Serra | Editor |
| Art | Emilio Ferrer | Set Decoration |
| Costume & Make-Up | Marbel | Costume Design |
| Costume & Make-Up | Luis Alcaraz | Makeup Artist |
| Art | Ramón Miró | Art Department Coordinator |
| Sound | C.S. Wilden | Sound Engineer |
| Camera | Emilio Foriscot | Camera Operator |
| Camera | Salvador Torres Garriga | Still Photographer |
| Sound | Juan Durán Alemany | Conductor |