Incendies tells the compelling story of Jeanne and Simon Marwan, twins whose lives are turned upside down when they are summoned by the notary Lebel for the reading of their mother Nawal's will. The document unveils a complex web of family secrets and forgotten histories, prompting the twins to embark on a journey of discovery.

Each is handed an envelope; one destined for a father they believed dead, the other for a brother they never knew existed. As they delve deeper into their mother's mysterious past, they encounter unsuspected dramas that challenge their understanding of their identity and heritage.

In this emotionally charged tale, the twins must confront the irreparable wounds of the past to bring peace to their mother's tormented soul. But will they be able to bear the cost of the truths they uncover?