The underworld emperor Duan Tianya challenged his rival to a death match. As they fought to the bitter end and both were about to die, he grasped the secrets of hidden strength, then passed away with regrets. When he woke, he found himself in a strange world, inexplicably made into a live-in son-in-law. So be it... Since Heaven has given me another chance at life, I’ll make up for the regrets of my past and reach the peak of traditional internal martial arts. Then this second life won’t have been wasted. A live-in son-in-law, huh? Heh. Let’s see what kind of life this world has in store for me.
