Carefully watching her older counterpart, Narcissa has the sense to know that anyone knocking on the kitchen door has a right to be here, and doesn't turn around until the other woman has completed this particular task.

With a half smile already forming for Rodolphus, she lifts her head to greet him, but her expression freezes at the man she can see behind him. Lucius had warned her an older version of himself had arrived, but knowing and seeing are two different things.

But since he's not technically in view... "Hello, Rodolphus."