At a time when animals only know myths about the talking humans who once dominated and nearly destroyed the world, a young chipmunk escapes danger in the City of Ruins and, with new friends, finds the Fog Mound, where all creatures live in peace and harmony.At a time when animals only know myths about the talking humans who once dominated and nearly destroyed the world, a young chipmunk escapes danger in the City of Ruins and, with new friends, finds the Fog Mound, where all creatures live in peace and harmony.