Otilia is a sensual young girl with an ideal body whose face is marred by an enormous mole. As a result, Otilia grows up friendless, except for the companionship of Melquiades, a young man employed by her family. Rich landowner Don Isaac arranges for Otilia's marriage to the local police chief, Isidro. A cruel and venal man, Isidro infects his young wife with a venereal disease that renders her sterile...