Moons have passed since six cats set out on a journey to save their Clans. Meanwhile, back in the forest, Firestar and Leafpaw watch ThunderClan's world crumbling around them. Will the questing cats make it back in time, or will they be too late?" As they journey home to warn their clans of the coming destruction, the six cats, guided by StarClan's prophecy, meet an unfamilar tribe of cats with their own set of beliefs--and their own mysterious prophecy....

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.

After Alderpaw returns from the gorge that was once home to SkyClan, the ferocious cats who drove SkyClan out trace Alderpaw's path back to ShadowClan, making it their next target.

As a young warrior, Crookedjaw pledges his undying loyalty to RiverClan in exchange for the promise of power, not realizing that his pledge will haunt him when he becomes the leader of his Clan.

"A pet hamster is enticed by the family cat to venture outside his well-equipped cage to the sunroom only to very quickly discover life outside his cage is not the best for him." -- Publisher.

When Rusty, an ordinary housecat, becomes ThunderClan's new apprentice, he realizes that his past life has not prepared him for the hardships he now faces and so must work extra hard to prove he can be a true warrior.

As a cold, harsh winter approaches, the cats from the mountains prepare to divide into several camps, requiring each cat to decide where his or her allegiances lie.

Embarking on a train trip to visit his grandmother, Pete the Cat accompanies the conductor on a tour of the train, looks at the engine and blows the whistle while making new friends and playing train-themed games.

As Jayfeather, Lionblaze, and Dovepaw continue trying to understand the mysterious prophecy that binds them, Jayfeather receives a desperate plea for help from the Tribe of the Rushing Water.

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.