Three chemists unveil “Substance L,” a pesticide capable of eradicating all life without harming material assets. When Dr. Zichy, haunted by his work on Zyklon B, dies in a car crash and the lethal vial vanishes, colleague Dr. Cramm uncovers a child’s poisoning. To suppress the scandal, the corporation and justice system commit him to an asylum, until his assistant Barbara risks everything to expose the truth.
as Dr. Cramm
as Dr. Barbara Frei
as Dr. Mommer
as Ballonverkäuferin
