A proud demon of the Heaven defeated many martial arts experts from Nine Heavens and God Domain in nine fierce battles. However, when fighting with the world's most powerful deity, he missed a half movement, resulting in exploding himself. Fortunately, he was reborn as a live-in son-in-law of a rich and powerful family. Demons, devils, humans and gods contend in turbulent days. Faced with a different life, Xiao Naihe embarks on a new journey to go up the peak.