Fish & Cat
ماهی و گربه (original)
A group of students travel to a remote region to participate in a kite-flying event. Next to their camp by the lakeside, they find a restaurant with cooks that treat the students with suspicion. Bizarre events lead to a complicated situation, from which the students cannot escape.
Starring Babak Karimi, Saeed Ebrahimifar, Abed Abest, Faraz Modiri, Pedram Sharifi, Mona Ahmadi, Arnavaz Sahari, Neda Jebraeili, Parinaz Tayeb, Aynaz Azarhoush
It's a thriller and drama movie, and has a rating of 7.1 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Spain.