When two teenage girls vanish overnight,

the residents of Grass Valley, California don't know what to think.

There was wild speculation.

They really thought that they had either run away or been abducted while they were hitchhiking.

As the town folk look for answers, rumors start flying.

Could someone they all know be responsible?

It was definitely somebody who knew the area, so it was someone among us.

A person you were standing next to could have done this.

Fear has taken hold of this tight-knit community. And it's about to crack. How well do you know

your neighbors? What lies behind the white picket fences? Safely tucked among the foothills of the Sierra Nevada's 60 miles north of Sacramento,

California, is the small town of Grass Valley.

It's an amazing place.

Very laid back. It's an old mining town.

The mining element of the town is very much celebrated still to this day.

There are lots of monuments to mining around towns.

People still pan for gold.

It's very much a part of the history.

It is a frontier spirit where you do feel like you can do anything here.

The area's rich history is matched only by the community's heart of gold.

You know a lot of people can't go to the store without seeing somebody, you know.

You could leave your keys in the car or your front door unlocked.

There is a lot of friendly people in Grass Valley, and they will just give their shirts off their back to you.

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