A young cat had been left in the forest all alone, when he was found by a warrior of ThunderClan. Now, many moons later, he might be the only one able to keep ThunderClan from being destroyed.

There has been a new prophecy of a great war and of a new Taggerung... Meanwhile a clan of shrews is wiped out by Searats and the survivors must band together and journey to a safe haven, Redwall Abbey, where the Abbot Daniel is having doubts about a mysterious grey warlord who is making his presence felt in Mossflower.