Modern girl Li Zhiyue time-travels into a historical romance novel, becoming the eldest miss of the Xiangyang Marquis Mansion whose family is on the verge of ruin. To avoid the original exile tragedy, she is clear-headed and decisive. First, she defuses the crisis of the widow Zhen scheming against the mansion, manages and rectifies corrupt servants within the household, cuts expenses while opening new revenue streams, establishes a milk tea teahouse and a grand opera house, strives to accumulate wealth, and changes the family's destiny.