After Kevin McCallister made a reservation at the Plaza Hotel by pretending to be his dad, he went to the front desk where Ms. Stone worked. When she asked "Can I help you?" Kevin replied "Reservation for McCallister?" to which Ms. Stone replied, "A reservation for yourself?" Kevin explained to Ms. Stone that he was traveling with his dad Peter, who was on business, and that his dad dropped him off at the hotel and gave him his credit card to check into the hotel so he would not get into mischief. Believing him, she accepted the credit card and had him checked into a hotel room, although she remained somewhat suspicious. before Kevin left, she told him to remind his dad that when he arrived, he needed to come down and sign a couple of papers.
Later, Kevin was busted by Mr. Hector, who presumed that Kevin had stolen the credit card. Stone was among the many hotel staff attempting to catch Kevin, but Kevin pranked them by using the movie Angels with Even Filthier Souls.
Ms. Stone wears her dark brown hair up in a small French Twist, wears a black suit with a coat with shoulder pads, a skirt, tights, black high heels and red lipstick.