Modern girl Su Xiaomeng accidentally traveled to ancient times and became an unpopular young lady of the Hou Mansion. She has an optimistic personality, possesses modern thinking, and is determined to change her destiny. By chance, she met the mysterious prince Xiao Yichen. The two went from being dissatisfied with each other to working together to solve various problems, and their relationship gradually warmed up. In the process, Su Xiaomeng used modern knowledge to invent new gadgets and also opened an ancient version of "Internet celebrity store". But their love faces tests such as family opposition and palace struggles. In the end, can Su Xiaomeng and Xiao Yichen overcome difficulties and gain happiness in ancient times?
