Shen Mo, deputy section chief of the Planning Bureau, holds a piece of planning paper that affects half of the city. An ordinary project review unexpectedly uncovered a hidden network of political and business connections, dragging him into the underbelly of the city. Should we stick to our conscience or follow the undercurrent? On the tightrope between power and morality, he was startled at every step. There are no swords and swords here, but there are human feelings and rules games everywhere. A survival guide that describes the undercurrents of the city, the ups and downs of career, and the wisdom of the world.