In the early 1970s, Lakhdar, an Algerian peasant, is forced to leave his desert land and his family for France, but immigration weighs on him and he dreams of returning. This day arrives, he walks in Paris, events decide otherwise.

The story of a family in the instability and violence that shook Algeria during the riots of October 1988 in the midst of the rise of fundamentalism and intolerance, disappointments and prohibitions, corruption, nepotism and abuse of power. On October 5, 1988, young Algerians occupied the streets... Afterwards, Algeria would plunge into the chaos of the Black Decade which would last more than ten years and leave more than 150,000 dead.

In Algeria, Youcef escapes from a psychiatric asylum located at the edge of the desert. He was a fighter and, years later, he still believes himself to be a prisoner of the French army. He rejoins what he thinks is his resistance group. He finds the bones of his comrades, buries them, and promises himself that he will visit their families, one after the other, to honor their memory. He goes underground and makes quick forays into the villages. He is struck by what he sees there. Young people queuing for bread, former FLN leaders living in the villas of the colonists, and farm workers mistreated by their Algerian foremen. As for the women, although they played a decisive role in the liberation of the country, they are now cloistered or forced to go out in public wearing masks. When he is discovered by the authorities, Youcef cannot believe that thirty years have passed. This nuisance must be eliminated...

Belkacem, a young unemployed man living in the Saharan village of Boulhilet, is entrusted by Bouacha, an old dervish who came from nowhere, with the secret of the olive tree, the only lush tree and true mystery in this stone desert. After water supply works, modern life bursts into the village. Belkacem, ill-prepared for this situation, confuses dream and reality. Believing he has killed his rival who loves his beloved, he flees the village after donning the clothes of the dervish, whose gait he now imitates.

An Algerian music composer and his friends live a thrilling story, full of twists and turns.