 They sight an unknown island, where they discover an upper-class Englishman named Attwater.Attwater, a devout Christian, has been harvesting pearls here for many years with the help of several dozen native workers, all except four of whom have recently also died of smallpox.The three men hatch a new plan to kill Attwater and take his pearls, but Herrick's guilt-stricken demeanour and Huish's drunken ramblings soon betray them.