The prologue takes place many moons before we first met the Clans as we know them. There's a Gathering, and the four Clans greet each other. But they can't start yet - they're not all there. Finally, the last cats arrive - SkyClan. But something strange is going on here - they've brought their entire Clan, down to the oldest elders and tiniest kits. The leader, Cloudstar, reveals that while Twolegs had been encroaching on their territory for a while, the camp has finally been destroyed. He pleads to the other Clans on SkyClan's behalf, but the other Clans insist that they have no room for another Clan in their territories, and that SkyClan must leave. SkyClan has no choice, so they start to head out of Clan territory. Cloudstar's mate, Birdflight, is heavily pregnant, and cannot go on a lo