 William purchases Sugar from her madame (Sugar's own mother) and sets her up in a luxurious flat of her own, where he regularly visits her on his terms.Sugar has been a prostitute since the age of 13 and views sex as a living, not a pleasure, with no physical act too taboo.She is resentful of her reliance on William's (and men in general) favour and indulges her fantasies about harming her and her fellow prostitute's clients in an explicitly gruesome novel of revenge erotica she pens in her spare time as she works to maintain William's continued interest using both her body and her mind.