La pols (Dust) explains the story of Jacob and Ruth – two siblings who share an appartment - and Alba, beginning at the death of Jacob and Ruth’s father. Shortly after learning the news, Jacob completely forgets his father is dead, even when his sister, who does not know anything of it, arrives home. While trying to understand how it has been possible for Jacob to forget this terrible news, the relationship between the three characters will change, and the mourning, their families and the social conventions will bring their lives to the limit.