Douch(2018)

Ten-year-old Gholamreza, who lives in a village in northern Iran, needs a bicycle to win a bicycle race and pay off his father's debt. To get money for the new bicycle, he notices a prize for teaching an illiterate person how to read and write, but there aren't any illiterate people in the village except a 90-year-old bad tempered woman who does not want to learn anything.