The novel is set in a modern city and depicts the lives and growth of five protagonists with very different personalities after an "urban brain phenomenon" broke out. Unexplainable 'thought resonance events' have occurred one after another within the city, causing a sudden and strange intersection of ordinary citizens' thoughts, memories, and information, completely disrupting the original order. Psychological counselor Yang Chenlin tried to trace the truth of the incident, white-collar Shen Zhiwei reflected on himself amid cognitive confusion, artificial intelligence entrepreneur Chen Modi got involved in the trend of mutated technology, reporter Zhao Yuetang investigated the source, and college student Sun Jiahe launched a brain hole community on the Internet to seek breakthroughs. Multi-line narrative promotes character bonding, reveals realistic dilemmas, and demonstrates social changes. As the incident escalates, the five people's minds begin to interfere with each other. Family, workplace, technology, media, Internet, etc. Are intertwined, and the city gradually shows division and integration. In the end, in the face of truth and choices, they must face the cracks in their hearts and the pain of growth, and find their own cognitive boundaries and answers.
