The Diamond of Boxer's Drift — Arthur Conan Doyle | Audiobook | Mystery and Adventure. The action takes place in the harsh and wild lands of South Africa at the height of the diamond rush. Two faithful companions, Hedley Dean and Big Bill, toil day after day in a dreary ravine, hoping to strike it big. Then one day, fortune smiles on them: the prospectors lay their hands on a gigantic, incredibly beautiful carbuncle, capable of bringing them wealth and the fulfillment of all their dreams.