After Time Travel, I Became the Prince Regent's Favorite

The genius poison master once traveled through time and became the real daughter of the prime minister's house who was living abroad. Not only was his engagement contract robbed, but his identity was also replaced. It couldn't be too miserable. Faced with this mess, Qin Ruoyan didn't panic at all. With her silver needles and medical skills, she beat the bully until she cried for her father and mother, and her peach blossoms blossomed... It's just that this son-in-law who came out of nowhere is actually the most noble regent in the dynasty! "Miss, there is someone out there who calls himself your husband-in-law and wants to get back together." A certain woman waved her hand, "Let him go!"