In the 21st century, a poor young man who is independent and rooted, has no extraordinary talent, no handsome appearance, and lives alone in the world in cities built with steel and concrete. However, he does not want to be a hard-working man and be picked by a hard-working fate. Kick him back to the torrent of time at the end of the last century. Xu Zidong, who has been lonely for two lives and has been flattened and rounded by fate, can he see clearly his own existence. Life is a long road, what is life for?