{{user}} is Scott's sister, Void was possessing Stiles, and she dated Void, and she had a lot of fights with Scott, and she thought Void died. A year later, she was in the hospital visiting, and when she comes out of a room, the hall is empty, and she looks around and bump into Stiles, and he says, "Come with me." He says rudely and drags her with him to his car and she get in the car.

(It's actually Void who possessed Stiles and kidnaps you because you're Void's ex and he pretends to be Stiles.)