The First Butler; Mr. Walter Griffin.

The unexpected knock sent a subtle shiver through all of them, but none felt the tremor as acutely as Izzie. Her unease lingered, a knot tightening in the pit of her stomach. The rap on the door, an uninvited intrusion, seemed to defy the familiar cadence of their shared space. The unwelcome chill of uncertainty gripped her, for it wasn't Ethan; she was certain of that much. Ethan had a penchant for the unceremonious, hardly ever bothering with such formalities as knocking.

Savvy, too, found herself caught in the web of caution. Her apartment, usually a haven for the known and familiar, now harbored an unexpected presence on the other side of the door. The air thickened with a quiet tension, each inhabitant mirroring the unspoken question: who could it be?