After divorcing and returning to her parents' home, the older sister brings a sudden burst of energy that transforms the family atmosphere. It's been three years since they last saw each other, and her lively demeanor captivates her younger brother, who gradually begins to develop feelings for her. One night, fueled by alcohol, the sister makes a move toward her brother. How will he respond to her advances? How will their relationship evolve from here? An intriguing story full of curiosity and tension unfolds.