Lin Fan is a taxi driver in Jiangcheng. The old patriarch of the Song family, after peeping into the secrets of heaven and learning that Lin Fan would have great opportunities, recruited Lin Fan as a son-in-law of the Song family, and then fell into a coma. Everyone in the Song family has always looked down on Lin Fan and bullied him in various ways. Song Yan proposed to divorce him. Lin Fan, out of gratitude to the old patriarch of the Song family, endured again and again but was constantly bullied. When Lin Fan was in despair, he unexpectedly became the Heavenly King of the Three Realms! After becoming the Heavenly King, Lin Fan accidentally rescued Su Liancheng, the old patriarch of the Su family who was not supposed to die, and won the favor of Su Menghan, the eldest daughter of the Su family. Lu Chenxiao attempted to kill Lin Fan. Lin Fan, in order to repay the kindness of the old patriarch of the Song family, wanted to see the old patriarch off for the last time but was unexpectedly blocked by Song Yan and Lu Chenxiao. On the other hand, the Fang, Cui, and Qin families in Jiangcheng received the revelation of the Heavenly Dao Decree that the Heavenly King of the Three Realms has appeared.
