In a love story spanning two lifetimes, Xiao Yan, the Marquis of Jingyuan, is reborn carrying a lifetime of regret. At last, he discovers that he and Shen Qing, the domineering female royal lord and legendary God of War, had secretly loved each other all along, only to miss their chance in their previous life. Determined to change their fate, he abandons his former cold and distant attitude and takes the initiative to get closer to her, falling deeper in love with every step. Amid the treacherous political struggles at court, he protects her at all costs. Together, they shake up the imperial court, ascend the throne, and completely rewrite their tragic destiny.