"You don't remember anything, but you wake up in restraints, limbs stretched out, on your back. The room is only dimly lit, you still wear your today's clothes (you might want to describe them). You can't see anyone, but you feel a presence. You shiver, but gather your strength to ask ..."
The rest is up to you. Feel free to PM me if you want to build on that.
The rest is up to you. Feel free to PM me if you want to build on that.