Lucy Meeson-Smith works at a big bookmakers and always manages to back the back winners. Her employers become suspicious and take her to court for fraud. At her trial it is revealed that her father, a vicar, studies form avidly and is a brilliant tipster (though he himself is not a betting man).

The judge in the case, Mr Justice Painswick is most intrigued by the evidence. His own personal life is complicated by his son - a thoroughgoing cad who is deeply in debt. Find out how these personalities are brought together in a lively and unexpected way in this witty, upbeat novel.