When Steven Armstrong tells his children he has fallen in love, he expects them to be happy that his life as a lonely, sixty-five-year-old widower is over. Instead, their father's intended—thirty-three-year-old personal trainer Charlene Hendricks—is exactly the kind of woman they fear. Through marriage she becomes not only the stepmother to these three grown children, but the rival for their father's world-class fortune. Suddenly, an attack is made on Charlene's life. All the children are suspect, but which one has the best motive? Then a second attack backfires and mistakenly kills Steven, making the stepmother a wealthy heiress. Now it is the children who accuse her of murdering their father. Only by finding the real killer can she prove her innocence.