Lucy hall is a semi major character in the day after tomorrow. She lives in Philadelphia and works in the Philadelphia children's hospital. When Philadelphia starts snowing and they begin to evacuate the hospital but Lucy stays to look after a boy with cancer called Peter who needs to be transported by ambulance. As the storm gets closer to Philadelphia She and Peter becomes the only ones left in the hospital. After a while an ambulance arrives and they get taken to Mexico City where they get picked up.