When the entire city was engulfed by a heavy rain that never faded, seven-year-old girl Fang Xiaoman clung to the last words taught by her father, "Water flows to lower places, and people go to higher places." She climbed up to the crumbling roof of the building with a cry. Thirty kilometers away, the man who taught her this sentence was crossing the hellish torrent to fulfill a father's late promise - in this apocalypse, no one can escape intact, except love.
