. >> bethany correira, that was her name, the missing woman. 21 years old, bright, fun loving, all alaskan. >> bethany, look. [ laughter ] >> they raise them tough here in the heart of alaska. they have tochlt winter are cold, long and dark. most survive on what they hunt or fish. >> when we first got here electrity and water was not a popular thing. so you were hauling water and chopping wood in kerosene lamps. >> they moved from massachusetts in the '70s. they are among just 700 who live here. the town bursts with cruisers and climbers in the summer months. there is one sdoont in life here, mt. mckinley, the tallest peak in north america. the correira raised two sons and two daughters in a log house billy built with his own hands and there by the pond linda home schooled them all. let them know they could do anything. >> i don't think i realized until i moved away from here that people are like, you can't do that. that's a guy's job. you learn to do a lot on your own. >> her bigger sister bethany was a pistol. her father billy remembers a story about that. he was showing his son james ho