Fireheart, a full-fledged warrior cat, must confront questions of loyalty and identity as he faces the possibility of betrayal from within his own forest clan.

The warrior cat Fireheart's determination to uncover the truth about another warrior's death leads him deep into danger, and reveals secrets that test the strength of clan loyalties.

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.

Leafstar struggles to maintain control of her Clan as she figures out how Skyclan can survive in the gorge.

"Yellowfang is a loyal ShadowClan cat through and through--but she is haunted by a dark secret from her past that could threaten the future of the warrior Clans"--

The questing cats return to a forest devastated by the Twolegs, where they must find a way to convince their Clans to leave in search of a new home, even though they have no idea where they are going.

In a troubled time for the Clans, three young cats, grandchildren of the legendary Firestar, begin their training as warriors and, in the course of many adventures, discover their true destiny.

"The Clans have finally arrived in their new home, and now they must establish territories and uncover the hidden dangers of this unfamiliar world. But the threats they faced in the forest may not be as perilous as the threats they face from within" -- Page [4] of cover.

When Rusty, an ordinary housecat, becomes ThunderClan's new apprentice, he realizes that his past life has not prepared him for the hardships he now faces and so must work extra hard to prove he can be a true warrior.

Reveals the secrets, histories, and traditions of the five cat clans, and introduces the warrior code that dictates how cats can live side by side in war and peace.