Chen Yu came from an ordinary background and struggled for ten years at the grassroots level of the officialdom, with no hope of promotion. An accidental opportunity allowed him to glimpse the shady story of corruption. Later, due to his agility, he became the secretary of Lin Lan, a high-ranking official, and stepped into the center of power. But his desire for power made him lose his way, and entanglements of interests and betrayal schemes followed one after another. Where will he go in the end when he is trapped in the prison of power?