The strange disappearance of the dogs of his neighbors leads Juan to investigate the case on his own. It ends up finding out that the author of the robberies is a young woman called Eloísa, the cocky daughter of a scientist who uses dogs to create an antidote against sleep. Juan and Eloísa fall in love, but he will ask her to leave her luxurious mansion to live only with his salary.
Conrado San Martín
as Juan
Conchita Montes
as Eloisa
Alberto Romea
as Doctor Palacios
Juan de Landa
as Sebastián
Luis Pérez de León
as Doctor Vidal
José Isbert
as Pedro
Julia Lajos
as Rosa
Rafael Navarro
as Doctor Manríquez
José Ramón Giner
as Paulino
Leandro Alpuente
as Antonio
Rosita Valero
as Camarera
Carolina Jiménez
as
