For generations, the four Clans—ThunderClan, ShadowClan, RiverClan, and WindClan—have followed the Warrior Code and looked to StarClan for guidance. Then the signs stop. No prophecies. No dreams. No messages from StarClan. Nothing. As tensions rise across the forest, a prophecy appears to every medicine cat on the same night: “When the stars go dark, the Clans will tear themselves apart before they learn who truly broke the sky.” Nobody knows what it means. And then the disasters begin.