Mma "Precious" Ramotswe is now engaged to Mr. J.L.B. Matekoni, the kind owner of Tlokweng Road Speedy Motors. This new development provokes a hostile reaction from Mr. Matekoni's unscrupulous maid, who quickly begins plotting the disintegration of the engagement. Despite all this, duty calls, and Mma Ramotswe is asked to help find an American woman's son who has been missing in Africa for 10 years.

Love Over Scotland is the third in the series that revolves around the many colourful characters that come and go at No. 44 Scotland Street. McCall Smith handles the characters with his customary charm and deftness - the stalwart Tory chartered surveyor, the pushy mother and, most importantly in this novel, the Italian-speaking prodigy, Bertie.