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.

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....

Before there is peace, blood will spill blood. The Clans have finally arrived in their new home, and now they must struggle to establish territories and learn the hidden dangers of this unfamiliar world. Most important, they must find a replacement for the Moonstone--a place to communicate with StarClan. But more than one cat is harboring sinister plans that could lead to violence and darkness, and as the warriors wait for a sign, they begin to realize...

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.

When the Twolegs destroy the warrior Clans' forest home, Graystripe who is second in command of ThunderClan is captured trying to help his comrades escape! Trapped in the pampered life of a kittypet, Graystripe has all the food and shelter he needs from his affectionate Twoleg family, but this is not the way he wants to live. The forest is calling him, and he never stops longing to go home. When he makes friends with a feisty kittypet named Millie,...

Sasha finds that life outside of the Clans is harder than she expected and soon starts to loose hope.

Toklo, his little brother Tobi, and their family are forced to leave the only home they have ever known as a terrifying grizzly tries to take over the forest.