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.

"In the midst of the coldest leaf-bare any warrior can remember, the Clans have lost their connection with their warrior ancestors, and only one ShadowClan apprentice can still hear their voices--or their warning about the new shadow rising within the warrior Clans"--

Firestar's three grandchildren, Hollypaw, Lionpaw, and Jaypaw, struggle to restore faith in StarClan as Sol works to tear apart the bonds between Clans and turn them away from their warrior ancestors.

As Jayfeather, Lionblaze, and Dovepaw continue trying to understand the mysterious prophecy that binds them, Jayfeather receives a desperate plea for help from the Tribe of the Rushing Water.

When an ousider appears in the ThunderClan's midst, it drives the Clans further apart and as tension mounts they must decide who they can trust before it is too late.

With the rivalry between Gray Wing and Clear Sky boiling over, Thunder and Gray Wing search for a peaceful path to the future.

"ThunderClan's leader, Bramblestar, has been behaving erratically after losing one of his nine lives, and suspicion is quickly spreading across Clan borders. And when a strange apparition sparks unrest in SkyClan and ShadowClan, each warrior must decide where their allegiances lie--with their Clan, or the warrior code itself"--

Gravely injured, Frostpaw places her trust in a young warrior, convincing him to protect her as she follows StarClan's cryptic directions toward the roots of RiverClan, where she hopes to find the answers she so desperately seeks while staving off a war between the clans.

After the ShadowClan falls, a group of rogues and their cruel leader are ruling the pine forest, and the Clan's only hope is to find the lost SkyClan and fulfill the StarClan's prophecy.