Ahmed Mourad's 'Diamond Dust' is a dark and intricate thriller set in contemporary Cairo, delving into the morally ambiguous world of vengeance. The narrative follows Taha Hussein Al-Zahar, a seemingly ordinary pharmacist whose life unravels when he uncovers a shocking secret about his deceased father. This discovery propels him into a hidden society where vigilante justice reigns, and meticulously planned murders are disguised as accidents. Taha must grapple with the ethical dilemmas of seeking retribution and the true cost of settling scores, as he navigates a dangerous path where the lines between good and evil blur.