In order to maintain his homeland, and ultimately his birthright, Chester determines that it is necessary to join forces with his ultimate enemy. Shortly after gathering their new army, Chester is betrayed and Cigar becomes the leader of the new combined force, Herd Dark Victory. The battle ensues and the mystery deepens. Chester finds that friends he thought were lost are actually alive. He meets a mysterious old horse named Zanzibar who just might hold the key to the powers of the red stone. And while trying to secure the freedom of his old herd, Chester comes face to face with his final end...