"Complètement chaussette, bande et OTN bâillonnée par sa petite demi-sœur !"

18-year-old Maria has had enough of her 20-year-old big step-sister Katherine's babbling yap and decides to keep her nice and quiet for the night. Katherine is already tape tied on a chair and cleave gagged with a black scarf next to her bed as little step-sister Maria comes in to shut her up even more. Maria approaches her bound big step-sister who sobs and shrieks through the scarf tied in her mouth at the sight of her little step-sister's presence...