Palmira, a woman belonging to the Sevillian aristocracy, as well known for her decrepitude and hypocrisy as the rest of her population, enters into an emotional crisis when she reaches maturity.
The story of doctor Santiago Ramón y Cajal, who adapting Golgi's silver staining method enabled the visualization of the real structure of the central nervous system, based on individual cells, the neurons. For which both were bestowed the Nobel prize in 1906.
A good-for-nothing young man and his friend are involved in a woman's death. To escape Police and wanting a change he goes to the small country village he used to visit with his family. Yet his past will find him there.