Desc: Las garras de Lorelei: Directed by Amando de Ossorio. With Tony Kendall, Helga Liné, Silvia Tortosa, Josefina Jartin. The legendary Lorelei has been living for centuries in a grotto beneath the Rhine river 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 Sirgurd is engaged to kill the monster.