Ella (Ella Reese) is alone in her room writing in her diary when her dad asks her to come help him. She leaves her diary opened on her bed and her curious stepsister Charlotte (Charlotte Stokely) jumps on the occasion to read it. All these juicy stories about her older sister arouses her. The same night, when their parents leave for a business dinner, Charlotte confronts Ella about it. She's embarrassed at first, but when her sister confesses that she feels the same way, the erotic stories become reality.
