The Legend of Blood Castle
Ceremonia sangrienta (original)
An aging Marchioness obsessed with looking youthful devises a vicious plan, under advice from her personal nurse, to look young again.
Starring Lucía Bosé, Espartaco Santoni, Ewa Aulin, Ana Farra, Silvano Tranquilli, Lola Gaos, Enrique Vivó, María Vico, Ángel Menéndez, Adolfo Thous
It's a horror movie, and has a rating of 5.8 out of 10 from Imdb which is fairly okay for this kind of movie.
Watch it here
Not found streaming from Denmark.