" Four people on a backpacking trip in the Sierra Nevada find more adventure than they ever imagined. They are drawn to the mountains for reasons as diverse as their own lives. Gwen Foster, a counselor for at-risk youths, is struggling with burnout from the demands of her job. Real estate agent Oscar Barajas is adjusting to the fall of the housing market and being a single parent. Todd Harris, an attorney, is stuck in a lucrative but unfulfilling...