Yu Qian, a graduate with a master's degree in law from a prestigious school, interned in a well-known law firm. She accidentally died while the client was looking for evidence. She traveled through time and became the posthumous daughter of the second wife of the Qin family in Huainan. Her mother, Li, lied about being her son in order to prevent her eldest brother from taking away the family property. In this way, Yu Qian was born into the second wife's only son, Qin Jingyun. This is the story of a woman who disguised herself as a man and took the imperial examination, step by step on the road to success.