Ji Wanwan, a modern young woman, accidentally travels through time to the Great Jin dynasty and becomes the fourth young lady of the Ji family, rumored to be none too bright. Shen Zhinan, who comes from the future, suddenly appears and insists that she is his mother. As Ji Wanwan adapts to ancient life, she uses woodblock printing to build a business and improve her family's circumstances, while teaming up with the clever and precocious Shen Zhinan. She meets Shen Huaiji, the calm and brilliant chancellor of the court, and becomes embroiled in political turmoil, resolving one crisis after another. As they spend time together, the two develop feelings for each other and join forces to face the open and hidden attacks of court politics. After experiencing many hilarious and unexpected adventures, they ultimately achieve success in their careers and a fulfilling romance.