Linnet Rideway, in Death on the Nile, is 20 years old and the daughter of a wealthy financial professional. She is beautiful and independent. She has her own place in London. Her best friend, Jackie, has just become engaged and lets Linnet know that her fiance needs a job. Linnet helps out and Jackie's fiance, Simon, gets a job. However, it costs Jackie as Simon falls for Linnet and he and Linnet run off and get married. Now married, she is in a position to inherit all of her family's fortune...which she does.
She and her husband take a trip up the Nile to celebrate and both of them are shot in their sleep.