Before Katie can decide what to do, a car goes past, and the driver spots her

As Katie walked, she suddenly saw light on the ground and trees from a car behind her. Stuck in her awkwardly handcuffed state, Katie could only shift around to watch a car approach and pass her by, blinding her from the intense brightness of the car lights. She stumbled, almost cutting her feet on the rough gravel. Her ankle cuffs were really inhibiting her ability to move, especially with the added dildo jammed into her ass. When she stumbled, the vibrator which she had been carefully avoiding activating, suddenly turned on and flooded her with a wave of intense pleasure. Katie made a muffled moan through her ball gag, her fingers wiggling in attempt to get free. She came back to attention when she heard the truck getting louder again. Opening her eyes, she watched the car complete a U-turn and came back her direction.

"Hello?" she heard a voice call out to her.

"Mmmmmm!" she mumbled back through the gag.

As the car got closer, she saw that in fact...