A retired private investigator and amateur archaeologist discovers the murdered body of a young man in her cottage whose identity is revealed by her visiting niece. Matilda and Ella are totally unprepared for the incredible journey taking them from the quiet backwaters of an English village to an amazing adventure filled trek spanning the length of the dark continent. Treasure involving the legendary Queen of Sheba, a dodgy policeman and a clothing company are all involved in preventing the intrepid pair of completing their mission. Throw in a taciturn mining commissioner and the stage is set for an epic journey.