Skybright finds himself in a frightening underworld where demons grow, and on the beautiful Mountain of Heavenly Peace, where the gods live. Stone is deprived of his immortal status and must close the gap to the underworld that has mysteriously opened, threatening mortals. Zhen Ni, former mistress and friend Skybright, married to the strange Mr. Bay, found herself captive in a large and empty estate. When she discovers the half-eaten corpses, she will understand. that Mr. Bei is not what he seems. Skybright tries to free Zhen Ni and help Kai Sen and Stone, and they will realize that they are at greater risk than they realized.