Shen Lei, a silly boy from the land of Yanzhao, chose the path of no return after his sister was killed. Fortunately, he still had the skill of fighting upside down, so he shuttled between the tomb passage and the underworld. During this period, he saw all kinds of life, tasted the short life, and at the same time gained love, friendship and family affection. In the end, he washed away all his glory and transformed into a dragon. "Oh! Don't speak so harshly. What is the underworld? We are serious Xiling warriors.
