Targeted by Nazis as they hunt down and murder people with disabilities, a boy with a limb difference makes a daring decision while running for his life.
Dr. Sarah Chapel returns to the small town of Brighton Mills when her father Dr. Robert Chapel unexpectedly dies. His clients and friends miss him, and Sarah discloses that all of them have perfect health; they hear voices when they are sleeping; and they are addicted to the stimulant Tributol. Her further investigation discloses a dark secret about the haunting voices.