In the throes of teenage hormones, a girl, horny beyond measure, decides to make her own fun. She finds a sturdy chair and mounts it, riding it with wild abandon, her jeans dampening with her arousal. She grinds, she moans, she touches herself, her fingers exploring her wet slit, bringing herself to the brink of ecstasy. Just as she's about to cum, a sudden knock at the door forces her to pause, leaving her body throbbing with unfulfilled desire.