Modern strategy expert Gu Changyuan was reborn as the Prince of Zhenbei of the Zhou Dynasty after a car accident, and found himself in danger on the bed of the empress Ji Shuangyue. Faced with the severe salt industry crisis and political deadlock, he used modern financial knowledge to promote the salt vote system, and joined forces with Lu Jinyao, a business prodigy, and Shen Qinghe, an orphan of the Shen family, to gradually disintegrate the salt merchant alliance. In the power struggle, he not only had to deal with the three princes' murderous moves and border wars, but he also developed a complex and dangerous relationship with the aloof and arrogant empress. Through multiple main lines such as salt wars, power struggles, and seizing the throne, the story shows the legendary journey of the male protagonist from a prisoner who almost died to a central minister who controls the lifeline of the country and wields power.