A special assignment for Neal Brown. A whole series of unsolved murders awaits him. In each case, it appeared as if the killer had subsequently committed suicide. All of the victims bore a certain mark on their bodies, and Neal suspects that a fanatical cult is responsible for the atrocities. His investigation leads him to the trail of psychologist Dr. Bresloe and three of his colleagues. They belong to a cult of devil worshippers who train their patients to become killers. Neal Brown is waging a tough fight against the murderous cult...
