Gu Hanyuan traveled through the Yitian world and became an inconspicuous Wudang Taoist priest. Just at the starting point of the plot, Zhang Cuishan returns with his wife, hiding endless crises. Knowing all the tragedies that followed, he did not want history to repeat itself, so he took root in Wudang and practiced martial arts hard, bucked the trend and changed the fate of everyone in Yitian.