Adam One, the kindly leader of the God's Gardeners - a religion devoted to the melding of science and religion, the preservation of all species, and the tending of the Earth - has long predicted the Waterless Flood. Now it has occurred, obliterating most human life. Two women have avoided it: the young trapeze-dancer, Ren, locked into the high-end sex club; and former SecretBurgers meat-slinger turned Gardener, Toby, barricaded into a luxurious spa. Have others survived? And what are the odds for the human race?