Rob Finn, just hitting his stride as an up and coming steeplechase jockey, finds a wall that can't be jumped. He is one of several jockeys being hounded out of racing by unfounded, untraceable rumors about his personal character. Finn decides to right back. He determines to do to his persecutor everything that has been done to him. The pace of the races and the build up of the revenge plot that Finn institutes produces swift-reading suspense/mystery in an unusual setting.