When the yin and yang were in chaos, the king's soul accidentally broke into Fengdu, the underworld.
He knew that in this dark place, he would definitely die, and he was filled with despair.
However, the "people" of Fengdu gave him a glimmer of hope, on the condition that he became a messenger and helped Fengdu to survive.
With life and death at stake, Wang Hun had no choice but to accept the decision and begin to perform the task diligently.
Going through life and death again and again, he gradually became stronger through hardships, but he also unexpectedly uncovered Fengdu's hidden secrets...
