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?"

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.

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.

The happy home life of Socks, the cat, is disrupted by the addition of a new baby to the household.

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 legendary Firestar's grandchildren begin their training as warrior cats, but, unbeknownst to them, they will become more powerful than any cat before them, either bringing the Clan to new heights or destroying it.

Four young cats with wings leave the city slums in search of a safe way to live, finally meeting two children with kinds hands.

Kitty helps her best friend Unicorn accomplish his dream of being a mermaid, but despite an elaborate DIY mermaid tail, the friends' trip to the beach does not go as planned and Unicorn's insecurities emerge.

In a leaderless RiverClan, medicine cat apprentice Frostpaw is desperate to guide her Clanmates down the right path--while Tigerstar watches their every move. Within ShadowClan and ThunderClan, the changes to the warrior code stretch tempers to the tipping point, where one wrong move could prove that peace among the Clans can never last for long.

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.