A wealthy old man is murdered after deciding to write his nephew out of his will. Fearing that he will be accused of the murder his nephew takes flight but, with the help of a young woman whose life he saves, he has to try and track down the real murderer.

Pepita, a radiant and merry Spanish beauty, and her playful brother Jose, witness their mother, whose faded beauty led her husband to abandon her for another, plunge a dagger into her breast.