A silent shadow lowered itself over the edge of her rooftop, slipping in through an open window. He stopped without a sound when the knife came to his throat, and smiled under his hood. "Good to see you haven't lost your edge." As he pushed back his hood, Grey backed away from the knife. "I think you probably know why I'm here." He said, pulling a roll of blueprints from his bag. "I need your help Aria."