The story takes Lin Yichuan as the main line, interspersed with various urban characters, and shows the story of young people pursuing their dreams and experiencing various aspects of life in the bustling city. Whether it is the confusion and hard work of entering the workplace, the dilemma of friendship and love, or the warmth and challenges of family, Lin Yichuan and his friends use their humor to laugh at themselves, stumbling along the way but always moving forward. The plot is ups and downs, the rhythm is tight, and there are both hilarious daily moments and tender moments. In the end, after experiencing growth and changes, everyone gains their own "urban ups and downs".
