The adventure continues as the Dragon Riders venture into the beautiful Ice Realm and discover a new world filled with unique dragons and dangers! Tom continues his search to learn more about Thunder’s family and Buzzsaw becomes even more of a problem having discovered an entrance to the Hidden World. Pushed to their limits, the Riders traverse blizzards, endure freezing temperatures and even face a snow volcano as the researchers at ICARIS come dangerously close to discovering the dragons the Riders are trying so hard to protect.[src]
The Riders discover a brand-new, frosty Ice Realm; once inside, they encounter Buzzsaw, who pretends to be a hurt hiker while trying to capture Thunder without the Riders finding out his true identity.
Alex and Eugene find themselves at odds with Tom and their fellow dragon riders when Feathers and Webmaster go missing during a blizzard in the Ice Realm.
Tom and Thunder discover a baby Night Light and must figure out how to return him to his home realm; things are complicated by the discovery of a clan of dragons who aren't trusting of humans.
Tom and the Riders vow to help Thunder face the dangerous dragon who attacked the King's Realm: a fierce and unpredictable Snow Wraith who has made its way from the Ice Realm.