This book takes Li Zhiyan as the main line, and through a series of unexpected events and interesting lives, connects the fates of several little people with different personalities: they pursue their dreams and struggle in a busy city, and experience ups and downs in the workplace, emotional twists and turns, and friendship tests. They have both hilarious daily life and profound thoughts. From the diverse perspectives of riders, white-collar workers, entrepreneurs, painters, lawyers, etc., It shows the warmth and reality in modern cities. The three volumes respectively focus on the confusion and groping when entering society, the brave pursuit of dreams and the transformation of exploring the true self, and the final reconciliation and growth. The book is full of laughter and tears, and is a warm ode to ordinary life. About 1 million words, the ending is warm and healing.