For thirty years, French-Algerian sisters Zorah, Nohra and Djamila have been living in the hope of finding their brother Rheda, abducted by their father, and hidden in newly decolonised Algeria. Their relationship is shaken when Zorah (Isabelle Adjani), the eldest sister, decides to write a play based on the haunting and traumatizing events of their childhood. But when they learn that their father is dying, the three sisters decide to go to Algeria to seize their last opportunity to have him reveal where their brother is. When the past catches up, the three sisters have no choice but to put their differences aside.