In this sequel to Race for the Son, Joseph and Rocky descend from the mountains hoping to find a cure for Moondog. Joseph eagerly absorbs information as Rocky shares many insights from his years of living in the mountains. After a close call with a bull moose, they spend a stormy night in an old cabin filled with various critters. When they reach the nearest veterinarian, he gives them little hope of finding a cure for Moondog. During an uneasy meeting with the governor and other state officials, a startling calamity strikes in Rocky's home. Joseph and Moon are pressed to utilize all their tracking skills to find clues to prevent an impending disaster. Together they discover evidence from their past which shakes Joseph to the core - as a miracle is in the making.