ZAAD tells the autobiographical story of Dries Meddens. After the death of his mother, the care for Dries' bipolar father falls on his plate. He discovers how crudely and ruthlessly society and psychiatry treat patients. His father eventually dies in solitary confinement. While emptying his parent’s home, Dries discovers an old letter from his grandfather. The man appears to have led a busy, productive life. He is the founder of an internationally renowned seed breeding company and still has tim...