A German teen sister, petite and innocent, finds herself drawn to her brother's camera lens. She's the star of their secret sextape, a game of taboo they play when their parents are away. Her brother, the director, guides her through a series of erotic scenarios, capturing her genuine reactions as she explores her young, untouched body. The small, skinny teen lets go of her inhibitions, revealing a fiery, curious side that only her brother gets to witness.