ThunderClan's darkest hour is upon them and Fireheart, the warrior cat, must protect his clan from a threat unlike any the forest has ever seen, as the time comes for prophecies to unfold and heroes to rise.

For generations, four Clans of wild cats have shared the forest according to the laws laid down by their ancestors. But the warrior code has been 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...

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.

As Hollypaw, Lionpaw, and Jaypaw, grandchildren of the legendary Firestar, continue their training to be warrior cats, each is haunted by a different internal struggle that could lead to trouble for all Clans.

Bluestar, a warrior of ThunderClan, struggles under the weight of a prophecy that promises her glory as Clan leader, but also spells out her ultimate demise.

"Strange visions drive a young WindClan cat named Moth Flight to leave her home on a journey that will change the future of the new warrior Clans forever"--

The happy home life of Socks, the cat, is disrupted by the addition of a new baby to the Bricker household.

Sent on a journey that could change the fate of all of the warrior clans, Hawkpaw is given the warrior name of Hawkwing. As deputy of SkyClan, he must find the kin of Firestar, the cat who once brought their clan back from obscurity.

A girl, Zoey, and her cat, Sassafras, use science experiments to help a dragon with a problem.

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.