. >> my name is jerry williams. my friend moon left me hundreds of thousands of indian arrowheads. o keep them together. i've been trying to do just that. >> hi, jerry. i'm jamie colby. >> glad to meet you. come on in. >> nice to be here. jerry tells me that the story of the 1/4-million arrowheads he inherited begins on a summer's day, back in the 1930s, with two lovers, moon mullins and his fiancee irene cress. >> the day before they got married, they were skipping rocks across the river. but irene said, "what are these? they don't look like rocks." >> they realized the skipping stones aren't stone at all. >> he said, "oh, honey, that's indian arrowheads." >> irene is instantly fascinated with the ancient relics. >> she said, "i think i'll start collecting these," and it just caught on. >> the newlyweds have a new hobby, one they'll pursue passionately through their 40-plus years of marriage. they'll also collect life-long friends among the fellow arrowhead enthusiasts they meet, like our heir jerry, who's part-native american, and this man, wayne underwood. >> he said, "if we get