After Simon leaves his fiancée Jacqueline to marry heiress Kay Ridgeway, Jacqueline plots revenge and follows the couple on their honeymoon down the Nile. When Kay ends up dead, murder is the only answer, and Jacqueline is the only suspect…or so it seems. For also aboard are a motley group of passengers who are all revealed to have mysterious connections to Kay and her fortune. Once again the Queen of Mystery has developed an ingenious plot that will keep you guessing until the very end!