Francesca Le, a picture of innocence, finds herself alone in the house, her mind wandering to forbidden thoughts. She begins to touch herself, her fingers tracing the lace of her panties, feeling the dampness growing. She knows she shouldn't, but the thrill of the taboo sends shivers down her spine. She imagines her stepbrother, his strong hands, his hard body. She can't help but fantasize about him catching her, about him joining her. Lost in her desires, she doesn't hear the door open, doesn't know she's no longer alone.