Double birth + financial thinking + good use of game theory to solve problems + catchphrase "How to settle this account?" + Yandere powerful minister + carry an abacus to calculate the killing value. Modern financial analyst Lin Shuyue was accidentally reborn as Shen Qingwu, the second daughter of the third room in the Shangshu Mansion, and discovered that she and her sister Shen Qingshuang were actually twins. In her previous life, Shen Qingshuang faked her death and was reborn in order to seize the identity of her legitimate sister. She used her identity as the legitimate daughter of the Hou Mansion to marry into a wealthy family, but died miserably in the cold palace. In this life, Shen Qingwu made plans in advance and came to prominence in the case of his aunt's mother's embezzlement of military pay during an audit, but unexpectedly discovered that the truth about his mother's difficult childbirth was related to the palace incident twenty years ago. When she unlocked the "Pisces Jade" space left behind by her mother, she discovered that it contained treasure maps from the previous dynasty and secret files of the regent. The regent, Xiao Jingheng, was the mastermind behind the destruction of her entire family in her previous life. In the game of twins, Shen Qingwu used business war to revive his family business. He performed a stunning dance at the palace banquet and attracted the regent to press him step by step. However, when they jointly solved the "Blood Suit Case", they discovered the hidden secrets of the spy networks of the two countries. When the eldest sister Shen Qingshuang returns as a marriage princess, Shen Qingwu circulates in the court and the world as a businesswoman, and finally reveals the shocking secret of the "Mountains, Rivers, Country and Country Map" in the Pisces jade.
