In the modern city, a secret experiment caused a small-scale "brain mutation" within the city - the thinking, spectacle, and reality of individuals and the environment were gradually broken. Yu Kaicheng was accidentally involved in the incident, and became partners with Shen Zhitong, Zhao Xufeng and others to jointly investigate the truth behind the "urban fission" behind the brain hole phenomenon. Everyone exposes their own obstacles and growth opportunities in the mutation event; the volumes are staggered and advanced, and multiple story lines outline the impact of technology, human entanglements and power struggles. In the end, the whole city fell into a large-scale mutation, and personal destiny was intertwined with the future of the city. Everyone experienced redemption and choices, and found a real way out.
