Shifting Waters continues on Mackinac Island. The main character, Cindy, must face many trials in her life, starting in her 20's. After she has a son, Michael, she tries to improve her life and marries Fred, with whom she has a daughter, Megan. Their union deteriorates and Cindy's life is very unhappy. The wonderful lesson of this book is that it is never too late to amend your life. It does take courage and the help of family and friends, but it can be done. Cindy's story is very heartwarming.