Demon Lord Jinyuan and Immortal Lord Yunheng join hands to repair the firmament. But in the end, Demon Lord Jinyuan discovers that repairing the firmament can only temporarily delay the time of divine punishment, and the cost of this is the lives of tens of thousands of living beings, while Immortal Lord Yunheng has known about this all along. Because of this, the two have a disagreement and part ways, but in the end, because of the common people of the world, they join forces once again to save the masses from fire and water.