Sybil is a college student who still lives with her strict parents. They are very controlling, especially over her social life. They tend not to like most of her boyfriends, but are particularly unhappy with the young man she is currently seeing. So much so that they have taboo their stepdaughter from even seeing him. This of course only makes Sybil feel more strongly for him and want to do anything she can to see her boyfriend. On the night of her next scheduled date, Sybil's parents are away, leaving her stepbrother to watch over her. He has been tasked with keeping Sybil at home and away from her boyfriend. She tells stepbrother that she has a very special surprise for her boyfriend and that she will show it to him if he promises to let her go out and not tell their parents. He is curious and agrees to let stepsister go in exchange for a peek at the surprise. Sybil lifts her long summer dress to reveal that she is not wearing any panties. As he looks up at her bare pussy, Sybil's stepbrother.