Tartarus shipping is famed for the quality of the human product it trains and ships around the world, caged or sealed into latex, made to service their new owners. The three Brimstone Sisters are the heirs to this dynasty, each skilled in pain and shaping the unwilling to be obedient sex-dolls. From whipping, to sensory deprivation or electro-torture, or even more inventive cruelties, each is a mistress of their own brand of sadism, breaking the will of those that would oppose them