The Promotion Story of the Minister of Revenue's Two Daughters

The legitimate daughter and stepdaughter of the Minister of Revenue both distinguish themselves in the imperial court, but fate favors the legitimate daughter, while the stepdaughter's fortunes repeatedly take a turn. In the end, what iron will shall they summon to survive and rise through the ranks? The male lead's favoritism toward the legitimate daughter completely extinguishes the bond between the sisters. In this turbulent world, a thousand-foot abyss awaits...