A sadistic psycho, disguised as a military man and wearing a helmet, attacks and murders (mostly) women in a small town. It's up to the police captain and his girlfriend (who must act as a decoy) to stop him.
While she's conducting an obsessive search for the father she never met, a nightclub owner falls ill with a movie disease that leaves her amnesiac afterwards. Then she falls in with a band of gypsies. And... (Sequel to La Hija De Nadie.)