Ye Lan, a modern golden lawyer, accidentally traveled through time and became the eldest daughter of the Duke of Chu Dynasty who was bullied. The original owner was cowardly by nature and was framed by his stepmother Liu and his concubine Ye Ling. His reputation was ruined and he was marginalized by his family.
But Ye Lan is resolute, intelligent and determined to change her destiny. She cleverly used modern legal knowledge to design a plan to reveal the true identity of the maid who framed her, and gain authority in the family. At the Beijing Poetry Festival, Ye Ling and others wanted to make her look embarrassed, but Ye Lan amazed the audience with her modern poetry, and became famous, even attracting the attention of the fourth prince Xiao Yu.
Ye Lan keenly discovered the loopholes in the ancient business system and used modern business concepts to open "Yelai Pavilion" to sell perfume, soap and other beauty products, which was a great success. Aunt Liu and Ye Ling colluded with outsiders to sabotage the business, but they were resolved by her in advance and their evil deeds were exposed. Xiao Yu helps Ye Lan, and their relationship heats up. Faced with a boycott by Shijia merchants, Ye Lan relied on business activities and membership systems to break through the difficulties, and her business territory continued to expand.
Xiao Yu's road to winning the throne was bumpy. Ye Lan used his keen political insight and strategy to advise him, dealing with various forces and helping him suppress his opponents. However, he was hostile to the Queen's faction and was framed and imprisoned. Xiao Yu tried his best to rescue him, and Ye Lan rescued himself in prison, finally clearing his grievances. After that, she united with the righteous people to overthrow the Queen's faction.
In the end, Xiao Yu ascended to the throne, Ye Lan became the queen, implemented reforms, improved people's livelihood, suppressed aristocratic families, Chu ushered in a prosperous age, and her love affair with Xiao Yu also became a legend.
