Called by StarClan to fulfill a new prophecy, a group of young cats sets out on a long and dangerous journey, knowing only that trouble threatens the forest, as the adventures of the warrior clans continue.

"For many moons, a tribe of cats has lived peacefully near the top of a mountain. But prey is scarce and seasons are harsh--and their leader fears they will not survive. When a mysterious vision reveals a land filled with food and water, a group of brave young cats sets off in search of a better home. But great dangers await them. In this unfamiliar world, faced with loners and fierce rogues all vying for territory and power, the traveling cats must...

Struggling to unite the Wild and Leashed Packs for mutual safety after a violent attack, Lucky is cast out by a ruthless Alpha and encounters treacherous elements in the forest and ruined city, which is rapidly enveloped by a poisonous black cloud.

When ShadowClan returns under the leadership of a new Tigerstar, their renewed strength brings the tensions around the lake to an explosive breaking point as SkyClan's place among the Clans is about to be decided once and for all.

When an outsider appears in the ThunderClan's midst, it drives the Clans further apart and as tension mounts they must decide who they can trust before it is too late.

"The imposter walking in Bramblestar's pawsteps retreats to the Dark Forest, where the other Clans must follow if they hope to restore their connection with their ancestors in StarClan"--

"With the balance of Bravelands at a breaking point, the Great Herd must risk everything to unite against their common enemy: the rogue lion, Titan"--

"After countless moons of treachery, Tigerstar's Dark Forest apprentices are ready to lay siege upon the warrior Clans. As Jayfeather, Dovewing, and Lionblaze prepare to lead their Clanmates into battle, they await the arrival of the mysterious fourth warrior who is prophesied to help lead the Clans to glory."

As Jayfeather, Lionblaze, and Dovepaw continue to seek answers to the mysterious prophecy that binds them, they learn that another cat may play an essential role in defeating the Dark Forces.

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.