Huang Zhu is a migrant worker. When he had nothing to do at the construction site, he moved houses for a moving company, worked as an apprentice in a roast goose shop, picked up and washed dishes in restaurants, helped others raise fish, watched fish in reservoirs, and learned to putty. The craftsmanship of paint, collecting scraps in demolition areas, and learning to collect antiques... I didn’t understand my past life experiences until I was nearly forty years old. Because one time my boss invited me to a dinner party, and I sat down with a drunk guy when I came home. The motorcycle a colleague was riding had an accident and he accidentally went back to 20 years ago...