Inside the Kit Kat Club of 1931 Berlin, starry-eyed singer Sally Bowles and an impish emcee sound the clarion call to decadent fun, while outside a certain political party grows into a brutal force.
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.
Fritz Haarmann, who has killed at least 27 boys, is questioned by a psychology professor in order to find out whether he is sane and can be held responsible for his crimes. During this interrogation Haarmann reveals his motives and his killing methods.
