Ravenpaw, having been forced from his home by rogue cats, teams up with Firestar and the ThunderClan warriors to get revenge and reclaim the farm.

When the Twolegs destroy the warrior Clans' forest home, Graystripe who is second in command of ThunderClan is captured trying to help his comrades escape! Trapped in the pampered life of a kittypet, Graystripe has all the food and shelter he needs from his affectionate Twoleg family, but this is not the way he wants to live. The forest is calling him, and he never stops longing to go home. When he makes friends with a feisty kittypet named Millie,...

Graystripe and Millie finally locate the ThunderClan's old territory only to discover the forest devastated by Twolegs, but they continue searching for remaining Clan members, following a path pointed out to them by an old friend, even though Graystripe worries their quest is hopeless.