Sid Halley, former British jump racing champion and private detective, is not having a good time. His wife Marina has decided she needs some time out of their marriage to think about the future and Sid is devastated. But then Gary Bremner, an ex-jockey trainer, calls him to ask for his help - he is being threatened by someone in the racing world and he needs a friend he can trust. However, the very next morning, Gary?s stable yard is torched, horses...