http://www.etrangefe.../fr/film/amaliaIt says on the official website that the film crew will attend the first screening (Sept 8th).
I'll try to be there aswell.
There's also a small text with the plot, here translated:
"After the death of her mother, Amalia learns that her husband had an affair. But when he dies mysteriously a few days after, the young widow, obsessed by the mistress of her defunct husband, starts to fall into a bloody madness..."