For generations, four clans of wild cats have shared the forest. When their warrior code is threatened by mysterious deaths, a house cat named Rusty may turn out to be the bravest warrior of all.

After the warrior cat Clans settle into their new homes, the harmony they once had disappears as the clans start fighting each other, until the day their common enemy--the badger--invades their territory.

The four bears finally arrive at the legendary Last Great Wilderness, thinking it is the end of their long journey, but they discover that their true mission has really just begun.

Three bear cubs of different species are united for the first time as they begin their long journey in search of destiny, hope, and what it truly means to be a bear in the wild.

Amidst ongoing strife within and between the Clans of warrior cats, Brambleclaw is tempted by the dark plans of his father and brother, and the meaning of Leafpool's ominous visions becomes clear.

"The true Great Parent has finally risen and must unite all the animals of Bravelands to prevent an ancient evil from taking root"-- "As the new Great Father, the young baboon, Thorn, hopes to guide Bravelands to peace after a period of great turmoil. But a pack of rogue wolves lurks among the Great Herd, committing acts so evil they threaten to shatter that peace before it's even begun. The animals of the Great Herd must once again unite to defend...

The questing cats return to a forest devastated by the Twolegs, where they must find a way to convince their Clans to leave in search of a new home, even though they have no idea where they are going.

Onestar, leader of WindClan, introduces two young kittypets to the warrior code, the history of each of the Clans, and legendary battles that have been fought.

Despite their misgivings about the many dangers that lie ahead, the bears venture out onto the Everlasting Ice and learn of their final destination with the help of a mystical bear spirit.

The warrior cat Fireheart's determination to uncover the truth about another warrior's death leads him deep into danger, and reveals secrets that test the strength of clan loyalties.