**_A siren lurking in the Rhine turns into a murderous beast_** This was helmed by the creator of the “Blind Dead” tetralogy, Amando de Ossorio, so if you’re familiar with those flicks, it’s cut from the same cloth, just better IMHO. It comes across as a fairy tale with horrific attacks reminiscent of what you’d see in a Kolchak episode, such as “Horror in the Heights,” albeit gorier and scarier. The progressive girl's school brings to mind Hammer’s “Lust for a Vampire” from two years prior. The hunter who’s hired to protect the school amusingly dresses like Elvis mixed with Johnny Cash…