For two centuries the dragonriders have been practicing and training, passing down from generation to generation the Threadfighting techniques learned on he fly by their besieged ancestors. And most of the Lord Holders are prepared to protect their people, to provide sanctuary, to assemble groundcrews to search out and destroy any Thread that might be missed by the dragons soaring overhead. All but one.
One stubborn Lord Holder, Chalkin of Bitra, refuses to believe the approach of the Red Star means danger. That disbelief could spell disaster for all of Pern.