"For many moons, a tribe of cats has lived peacefully near the top of a mountain. But prey is scarce and seasons are harsh--and their leader fears they will not survive. When a mysterious vision reveals a land filled with food and water, a group of brave young cats sets off in search of a better home. But great dangers await them. In this unfamiliar world, faced with loners and fierce rogues all vying for territory and power, the traveling cats must...

"The cats from the mountains completed their journey and have settled in the forest at the end of the sun trail. But tensions have reached a breaking point--and a young cat named Thunder is caught helplessly in the middle"--

A latest entry in the prequel story arc reveals new details about the history of the warrior cats and follows the efforts of Clear Sky to violently divide the territories of the forest cats in spite of Gray Wing's efforts to promote peace.

When the dangerous Slash takes Star Flower hostage, her mate Clear Sky must rally the other four clans to his side in order to save her.