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.

Echo, a water buffalo, is chosen by the Great Spirit to lead after a horrific accident—but can’t command the respect of any of his herd. Stride the cheetah is keeping secrets from his coalition that could get him killed for disloyalty. And Tailgrabber, a young hyena, is desperate to find peace between her clan and the lions of Noblepride—even though it marks a betrayal of the hyenas’ longstanding allegiance to the Great Devourer.

For generations, the Silverback gorilla troop has lived in peaceful seclusion high above the Great Herd, adhering to one rule: “blood pools on the plains”. But when a new and terrifying evil descends on their home, every animal must venture into the unknown to prevent darkness from overtaking all they hold dear.

Fiercetooth, a NightWing obsessed with what could have - and should have - been. Deathbringer, desperate to prove himself as the next great NightWing assassin. Six-Claws, a loyal SandWing, who will soon find that loyalty comes with a price. Foeslayer the NightWing, a dragon in love turned kidnapper, and Prince Arctic of the IceWings, a runaway turned captive. In these four short stories, dig deeper into the world of Pyrrhia to discover what really happened.

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.