The legendary Loreley has been living for centuries in a grotto beneath the river Rhein in Germany. Every night when the moon is full, she turns into a reptile-like creature craving for human blood. When one girl after another of a nearby boarding school is killed by her, a hunter named Sigurd is engaged to kill the monster.
Masked Mexican wrestler and superhero Santo plays private investigator, called in by government officials to investigate the mysterious vandalism of a high profile painting. With the help of his two counterparts, he uncovers the truth behind an art collector/chemist who may be murdering female models.
Three men plan a jewelry heist abroad the Andalusia express train.
