For generations, four Clans of wild cats have shared the forest according to the laws laid down by their ancestors. But the warrior code is threatened, and the ThunderClan cats are in grave danger. The sinister ShadowClan grows stronger every day. Noble warriors are dying - and some deaths are more mysterious than others. In the midst of this turmoil appears an ordinary housecat named Rusty...who may turn out to be the bravest warrior of them all.

For the first time, all five warrior Clans have settled into their true homes in the territory around the lake. But when a shockingly harsh leaf-bare season descends on the forest, a new darkness begins to spread - a shadow that threatens a beloved Clan leader, the cats’ connection with their ancestors in StarClan, and the very warrior code by which they live. 

It is a time of peace between the warrior Clans, and all four are thriving. Then Firestar, leader of ThunderClan, discovers a terrible secret: The warrior ancestors of StarClan have lied to him. Firestar must embark on a perilous journey to right their wrong - and nothing will ever be the same again. 

The Clans have finally arrived in their new home, following the prophecies of their warrior ancestors. The journey was difficult enough, but now they must struggle to establish territories and learn the hidden dangers of this unfamiliar world. Most importantly, Leafpaw knows they must find a replacement for the Moonstone, a place to communicate with StarClan.

Four warrior Clans have shared the land around the lake as equals for many moons. But a prophecy foretells that three ThunderClan cats will hold the power of the stars in their paws. Jayfeather and Lionblaze know that they are two of the cats in the prophecy. Now the brothers must wait for a sign from StarClan to discover the identity of the third cat.Meanwhile, Dovekit and Ivykitkin of the great leader Firestarare poised to become ThunderClan apprentices.