Hiro is a 45-year-old woman who was injured by chemical weapons during the 1988 attack on Halabja. That catastrophe had a lasting impact on her life and health, as well as on hundreds of other victims. Her daughter Zryan, whom she raised without a father, is a university student at the College of Science, with a strong passion for researching and testing chemical substances. She is in a relationship with Yad, who pressures her into working with a group involved in the illegal trade of prohibited chemical materials, intending to manufacture weapons. Zryan finds herself confronting this group.