Will Word for Food

You see them everywhere. They stop you as you leave the grocery store. They accost you at gas stations and even when you're leaving a restaurant with your family. Is there anything to be done about the growing number of beggars? It's becoming a dog eat dog world.
Doris and Gerald Langford stop to help a young man and his son. They are willing to work for food, so why does this act of charity turn out so deadly?