When the Ancient Tree Falls is set in a remote Kenyan village and depicts the traditional political, social and economic life of the Luo community. The story is about the accomplishments of Ngode Aganyo, a pre-colonial community leader in the land of Mumbo, a confederation of six related clans. He was a great warrior and a judicious leader who led his clan with love and firmness that made him the epitome of good morals and economic attainment within his community.