Jiang Yan, a notorious young nobleman and the emperor's brother-in-law, is severely injured after being punished under family law. He dreams of his reckless life, ending with his sister poisoning him, and unexpectedly experiences ninety years of life in the modern world. When he awakens, he has returned to the age of seventeen and resolves to rewrite his fate: study diligently for the imperial examinations, earn a place on the honor roll, marry the woman he loves, and protect his family and loved ones. Yet undercurrents are already stirring at court, and a much greater crisis is quietly approaching.