Carraco
Miguel Ángel needs to make a phone call while on a hike near his town, but the lack of reception makes it impossible. He then remembers a code his grandfather shared with him as a child to communicate from a distance with ratchets.
Starring
It's a documentary movie, and has a rating of 10 out of 10 from Imdb which is very high for this kind of movie.
Watch it here
Not found streaming from Saudi Arabia.