Overjoyed to be reunited with her fellow ocean-dwelling dragons, Tsunami the SeaWing continues efforts to end the war for Pyrrhia in spite of a dangerous assassin who is threatening all their lives.

As they journey home to warn their clans of the coming destruction, the six cats, guided by StarClan's prophecy, meet an unfamilar tribe of cats with their own set of beliefs--and their own mysterious prophecy.

As the four bears head toward warmer territories, polar bears Kallik and Yakone wonder if they've made a mistake leaving their natural home, while Toklo, desperate to leave the struggles of their journey behind, thinks about leaving the group and starting a new life on his own.

"A group of rogues now rules the pine forest, and their cruel leader, Darktail, will not stop until he has conquered the rest of the Clans. Alderheart is more certain than ever that their only hope is to find the lost SkyClan and fulfill StarClan's prophecy--before Darktail's vicious reign puts an end to the warrior Clans forever . . ."--OCLC.

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.