MIhai, a young high school graduate, discovers serios problems in the factory where he just got hired, and gets in conflict with his step father, which is the director.
Kurt Gerstein—a member of the Institute for Hygiene of the Waffen-SS—is horrified by what he sees in the death camps. he is then shocked to learn that the process he used to purify water for his troops by using Zyklon-B, is now used to kill people in gas chambers.