Dr. Xiao Tianyu is transported to ancient times, landing in a royal household—only to be mistaken for an assassin and nearly executed. But when the princess falls critically ill, he uses his modern medical skills to save her, earning the prince's favor and a prestigious position. As he grows closer to the princess, a suitor arrives with a marriage proposal, but Xiao outsmarts him with his advanced knowledge, turning the tables in his favor. Just as the royal family celebrates, unforeseen challenges emerge, threatening everything he has built...