Derek nodded again and stepped back, dragging his fingers through his hair; an outward sign of tension. When he'd come across the Argent in the woods, he never thought they'd end up here.
He could hear Allison's heartbeat in Isaac's room, but it was still difficult for him to force himself out the door and down the hall. He did it anyway, and ended up outside what would now be her room. He knocked lightly, hand nervously smoothing the hair that he'd messed up just moments before.