Chris Hall, a man in his late 40's divorces his wife, changes his career, and becomes a 'skip tracer'. That career ends when his partner is killed on one of their assignments. He takes a break to recover, and meets and falls in love with a younger woman. They marry, and move to the foothills of CA. On a vacation they are both shot, and he is told she did not recover. He feels guilty, thinking she was killed because of his past work. He proceeds to hunt for her killer. At this time he encounters a secret society, formed to help people find justice. It is called the Jupiter Mountain Society. In his search he learns things about his wife's past that he was unaware of, and hears rumors that she is still alive.