Shen Mingyuan, the daughter-in-law of the Marquis of Jing'an in the Dajing Dynasty, was well versed in medicine and poisoning at an early age, and was well versed in business strategies. She even helped the prince to secure his throne. However, on the eve of the wedding, she was framed by her concubine and the second prince, and the whole family of the Marquis was executed. When she committed suicide by drinking poison, she clutched her ancestral twin jade pendants, and unexpectedly traveled to modern times, becoming an orphan girl with the same name who lost her parents and was exploited by her best relatives. The dilapidated rental house, the evil relatives who embezzled the inheritance, and the unfamiliar modern civilization are her desperate situation; the hidden space of the jade pendant and the ancient forensic medicine skills are her way of survival. Let's take a look at how the legitimate daughter of the Hou family is able to become a master in the modern era, develop deep medical skills, return to school, start a business and counterattack, and even uncover the truth behind her original drowning, living a wonderful double life.