When Margaret answers an advert which seems to promise an escape from her dull life, little does she realise that her fantasies of total submission are soon to be fulfilled. Becoming 'S', she enters into a hidden world of domination, subservience and discipline, in which she is punished for enjoying orgasms without permission and forced to perform humiliating tasks she secretly finds highly arousing.With the help of expert disciplinarians she explores the furthest bounds of her sexuality, finally realising the depravity of her darkest desires.Philippa Masters is the author of the highly popular Lydia series.