People who ride racehorses love the speed, the excitement, the danger - and winning the race. Philip Nore has been riding for many years and he always wants to win - but sometimes he is told to lose. Why? And what is the mystery about the photographer, George Millace, who has just died in a car crash? Philip Nore knows the answer to the first question, and he wants to find out the answer to the second. But as he begins to learn George Millace's secrets, he realizes that his own life is in danger.