London, 1874. William Hennessey, heir to the Hennessey fortune arrives home for a few days to visit his parents. He has given up university and plans on embarking on a grand tour of Europe. He finds they have already arranged to go to the neighbour's place, for a few days. After going pheasant shooting with his friend John Willis, William joins his parents at the Perriers. The events of the next few days will change his life forever. William...