Movie description: "My 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. She feels so distant from Riley and she just wants to get closer to her, so maybe this will give her the insight she needs to better their relationship. She quickly realizes that this diary is much more scandalous than she was anticipating. In fact, it contains somewhat of a to-do list for the things Riley wants to do with her step-mother. These items are far from innocent, such as sucking on Mona's tits or tonguing her pussy! Mona can't help but to shift on the spot, becoming aroused from the erotic words. Then Riley suddenly steps into the room, catching Mona reading the diary. Mona is shocked and tries to apologize, but Riley admits that she purposely left the diary for Mona to find. She's always had a crush on her step-mother but was too scared to admit it, so she wrote it all out in her diary to help cope. Now that she's 18, though, she doesn't want to have to write out her fantasies anymore -- she wants to experience the real thing! Mona starts to ask if Riley's sure it's not some kind of misplaced maternal need but is pounced by Riley. Riley is sure, and reassures Mona that she doesn't need to be nervous! She just wants to be with her. Overcome with the desire to be close to Riley, Mona gives in. They start by sucking on each other's breasts before moving onto tonguing each other's pussies. All throughout, they make time to strengthen their bond and fuel the fire by kissing passionately as well. They're determined to complete the list written in Riley's diary to make every one of her fantasies come true -- and Mona's, too!