Solange is convinced that her family is the victim of a curse that caused the death of her first two children. She tries to save the life of her last son Kumi, despite the reticence of her husband Guillaume, shared between the love of his family and the fear of his father Mounkal, a very powerful sorcerer with multiple mystical powers. While William, subject to the demands of his father Mounkal leads the child to his death, Solange goes to consult a healer who will reveal to him the heavy and morbid secret of William her husband.
