Immortal Emperor Li Changqing, after enduring countless tribulations and preparing to ascend to immortality, discovers that one of his 300,000 clones has yet to reach perfection. He has no choice but to take over that clone directly. He discovers that the clone is a live-in son-in-law who is constantly humiliated by his wife and her family. Li Changqing reveals the powers of an Immortal Emperor and strikes back with overwhelming authority, bringing powerful families under his control and humiliating his wife's family. In the end, he defeats an evil cultivator seeking to seize the Zhou family's assets and ensures that his wife's family and the other villains are punished.