Tristan took one last look at the horses being prepared for filming and the actors in woollen uniforms emerging from the vans. It wasn't hard to imagine a real war-time recruitment situation. Even less hard was imagining Onyx as one of the horses about to be shipped off to war. Sheoaks Equestrian School has turned into a film set. It should be an exciting time for Monika, Spike, Hattie and Tristan. Instead, the glamour of the movies...