Dr. Jo Hauser--soccer player in his leisure time--decides to move to Berlin to be an intern in a famous clinic, expecting to increase his knowledge and expertise, and to help his handicapped brother Willi Hauser. He joins a secret fraternity of doctors under the leadership of Prof. Muller-LaRousse, who is researching the use of bionic muscles in human beings with no ethics or respect for laws. to the laws. The team also volunteers in experiments and is under investigation by Paula Henning. When Jo gets close to a Filipino nurse and becomes addicted in the drugs used in experiments, he realizes the truth hidden in the methods used by the secret society in the development of science.