As winter turns to spring across the red earth, acacia trees and slow green rivers of Botswana, all is not quite as it should be on Zebra Drive, home to Mma Ramotswe and her beloved husband Mr J. L. B. Matekoni. At the No.1 Ladies' Detective Agency there are the usual number of cases to be pursued, from persistent theft at Teenie Magama's printing works to the rather more serious case of three suspicious deaths at the Mochudi hospital, but there is discontent among the ranks. It is bad enough that Mr Matekoni's apprentice Charlie is off on another escapade and Mma Makutsi's impending marriage threatens her happy working relationship with Mma Ramotswe. And when - in trying to prove himself a worthy husband - Mr J. L. B. Matekoni himself decides to try a little detective work, disaster looms ...