Vanina loves rebel leader Octavio, who gets caught. He gets a pardon and marries Vanina. When he is captured again, Vanina helps him to escape prison. They are both caught, and after his execution she dies from grief.
This educational film combines medical information and story to teach the viewers about the prevention and treatment of syphilis. The four episodes cover the stories of students looking to pick up prostitutes, a careless medical student, a wet nurse who has infected an infant, and a country girl afraid of seeking treatment.
