Sid Halley had one good hand and another made of metal. Five hundred pounds of horse had landed on him, directly ending his career as a brilliant jockey - and indirectly ending his marriage to the woman he loved.

He had become a private investigator, quite a good one, though his new life could never erase the haunting memories of his past glories. But it was only when the wife of one of England's top trainers came to beg his help in preventing some foul play at the track that Sid Halley began to know what being haunted really was.