My Step-Daughter's Secret Diary. Mona Wales is doing laundry for the family, including her step-daughter, Riley Reid.. However, the mundane chore takes an interesting turn when she discovers Riley's. diary in the laundry basket. Confused but intrigued, Mona can't resist opening it up. and taking a peek. Gianna Dior barely moved more than a few steps into the home. when her step-mother, Natasha Nice, hurries over, greeting her. Natasha asks how. her favo...