The Tunisian born hero of the film decides to break with his disorganized yet habit-ridden life in Paris, and sets off to discover his homeland, which he left at 6 years old, and to rekindle the memory of his mother, who died when he was a child.

Helene and her boyfriend come to visit their friend Lawrence in his family home. Once arrived at the house, a large stone building lost in the mountains, the couple is greeted by father and daughter, both dressed in white mysteriously. The next day, the couple is about to leave, Lawrence finally makes its appearance. Young people are invited to stay. But during their stay, inexplicable murders occur. Helen is determined to uncover the truth ...