A teenager has been kidnapped. The ransom was paid, but Amy is still missing. Detective Mike Tarasco turns to his friend Solomon Thayer, a professional psychic, for help.Solomon sees the girl in an underground vault. He sees that there have been others victimized by the same person. As Solomon searches for the girl, his feelings about the kidnapper grow stronger. He senses something terrible, something evil. But hampered by personal problems, he is unable to concentrate.His young wife, rebelling against an unsatisfying marriage, has been seeing another man, but she does not want to hurt Solomon. Because he is psychic, she must block her thoughts. Aware that something is happening, he struggles to penetrate her mental wall as she struggles to protect it.Meanwhile, a man is caught with some of the ransom money. He confesses to the kidnapping, but cannot tell the police where Amy is. They think they have their perpetrator. Solomon disagrees, but no one listens. He is losing his wife and his credibility.Then the killer strikes again. And again. The story races toward a startling climax as Solomon engages in a life-and-death struggle for everything that he and others hold precious.