This is the story of Precious and Grace, known to one another and their friends as Mma Ramotswe and Mma Makutsi, co-directors of the No. 1 Ladies' Detective Agency. For years the two women have been helping people with the problems in their lives, but their partnership is tested by a curious case: a client who wants to rediscover the life she lost when she left Botswana thirty years ago. Mma Ramotswe and Mma Makutsi soon find that the quest for the truth takes them in very different directions.