"Corporate lawyer Ava Burch has had enough of the big city and the daily grind. She grew up in rural Texas, where her father raised search-and-rescue dogs, and has moved to the small town of Cuervo to spend time in the dry, rugged wilderness near Big Bend National Park. When she and her dog, Huck, discover an abandoned campsite on a volunteer search-and-rescue mission, she's perplexed, but she carefully photographs it all the same. All Grant Wycoff...