Gracie's vacation to Arizona to sort out her relationship with Deputy Marc Stevens immediately turns deadly. A battered body in a mountain stream, suspicious treasure hunters, and a missing teen are players in a dangerous drug cartel case. Her romantic life may fizzle as Marc focuses on the investigation, leaving her to explore on her own. A spur-of-the-moment hiking trip with her B & B hostess leads the pair to discover a crucial piece of evidence in an unmapped cave. That's when her vacation in the high desert heats up.