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.

Investigating a series of retail break-ins in the quaint village of Molena Point, California, feline private investigator Joe Grey pursues suspicions about a blonde next-door neighbor, until the perpetrators begin trapping feral cats.

Ravenpaw, a former ThunderClan apprentice, lives in peace outside the warrior Clans until five rogue cats from Twolegplace come to the barn where he lives and he must fight to save his new home.

"Forced out of the forest that had been their home for generations, the four warrior Clans are about to settle into their new homes around the lake. Some cats see their new beginning as a chance for the Clans to live together in peace and friendship, but WindClan's deputy Mudclaw believes the other Clans cannot be trusted. And as he prepares to take the ailing Tallstar's place as leader, he is determined to do whatever it takes to secure the future...

After Tiny, a kitten, is injured fighting wild forest cats, he moves to a city, Twolegplace, where he defeats a dog, becomes the leader of the stray cats, and changes his name to Scourge.