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
Conchita Montes
Alberto Romea
Juan de Landa
Luis Pérez de León
José Isbert
Julia Lajos
Rafael Navarro
José Ramón Giner
Leandro Alpuente
Rosita Valero
Carolina Jiménez
Eugenio Testa
Modesto Cid
Concha López Silva