The end of the stars draws near. Three must become four to battle the darkness that lasts forever. . . . A divided StarClan has driven a treacherous rift between the four warrior Clans, and the spirits of the Dark Forest are gaining strength. As tensions reach a breaking point, an outsider suddenly appears in ThunderClan's midst, spreading discord and pushing the Clans even further apart. Now, with Clanmates turning against one another and a full-scale battle looming closer, the warrior cats will be forced to choose whose word they can trust—before it's too late.The end of the stars draws near. Three must become four to battle the darkness that lasts forever. . . . A divided StarClan has driven a treacherous rift between the four warrior Clans, and the spirits of the Dark Forest are gaining strength. As tensions reach a breaking point, an outsider suddenly appears in ThunderClan's midst, spreading discord and pushing the Clans even further apart. Now, with Clanmates turning against one another and a full-scale battle looming closer, the warrior cats will be forced to choose whose word they can trust—before it's too late.