Vines

"She awoke in the cold, damp room, and wondered what the dripping noise was. She was cold, her mouth was dry. Water, dripping water. She was thirsty. She opened her eyes to a dark world. She reached out, suddenly realizing she didn't know where she was. She was lying on a wooden bench, she could feel it against her bare skin. Oh god, she was naked. He hands groped at her body, trying to find evidence that that couldn't possibly be true."

She doesn't know who took her, but she soon discovers that they control her every action. The collar she is forced to wear is not merely to remind her of her place, but also forces her to obey the orders of anyone who holds its key...