Ye Chuan, a modern-day elite, transmigrates into the body of the third young master of the Ye family in Great Xia. Just as he awakens, he finds himself caught in a trap set by his second mother, Madam Zhao, and his elder brother, Ye Cheng, who intend to steal his marriage engagement to Princess Xia Qingcheng. Calmly taking control of the situation, Ye Chuan uses the jade pendant bearing the marriage pledge to intimidate everyone while secretly investigating the truth behind his birth mother's murder. At a poetry gathering, he reveals astonishing literary and political talents, dazzling the capital and securing his engagement. He then repeatedly exposes the conspiracies of Madam Zhao and her sons, gradually taking control of his own destiny.