Now that The No. 1 Ladies Detective Agency (the only detective agency for ladies and others in Botswana) is established, its founder, Precious Ramotswe, can look upon her life with pride: shes reached her late thirties ("the finest age to be"), has a house, two children, a good fiancé -- Mr. J. L. B. Matekoni -- and many satisfied customers. But life is never without its problems. It turns out that her adopted son is responsible for the dead hoopoe...

There is considerable excitement at The No. 1 Ladies' Detective Agency. A cobra has been found in Precious Ramotswe's office. Then a nurse from a local clinic reveals that faulty blood-pressure readings are being recorded. And Botswana has a new advice columnist, Aunty Emang, whose advice is rather curt for Mma Ramotswe's taste. All this means a lot of work for our heroine and her assistant, Grace Makutsi. But there's trouble brewing in Mma Makutsi's...