Heidi's master has caught her about to have a sneaky orgasm without permission, so he ties her up with the dildo just out of her bound reach to torment her and teach her a lesson in obedience! She pulls and fights but although she manages to get an inch of slack, every rope is countered by a second one in the opposite direction- so it does her no good! And with all the knots out of her reach, all she can do is wait until he is minded to relent!