The wild cat Clans have lived in peace and harmony for many moons, but now strange messages from their warrior ancestors speak of a terrifying new prophecy and a mysterious danger.

Six cats, including young Brambleclaw of ThunderClan, must embark on an unprecedented journey, with the fate of the entire forest in their paws. The strength and courage of the greatest warriors will be put to the test as the prophecy unfolds—and the quest to save the Clans begins.