Inma (24) is determined to win a marathon in the Sahara Desert. But her motives run deeper than the physical challenge. A few months ago, she came across adoption papers that revealed the birthplace of her biological mother: Laayoune, Western Sahara. Having never heard of the country, she decides to train for an international marathon that takes place in the Sahrawi refugee camps in Northern Africa. It is the perfect opportunity for her to learn about a history she never faced growing up in Spain.

• Documentary