"We have Ashley Landon, adn we'll keep her until Leesa Sherman is returned to us."
Jack can't believe what he's hearing. His sister is being held hostage by kidnappers! Whoever snatched Ashley must have been following the Landons as they explored Death Valley National Park. But what do they want with Leesa? Jack calls her the mystery girl because all he knows about her is that she's 14 and needs a safe place to stay.
When he discovers why Leesa is on the run, Jack is determined to protect her. But how can he do that and save Ashley, too? One thing he knows for sure, failure is not an option!