The story takes place in Songjiang City, a small town in the northeast. A group of migrant workers from all over the country, with all kinds of dreams, gathered on the construction site of the Champs Elysees apartment. They know that after they have built up with sweat, they are the dream bed of the city's people tomorrow. Don't ask for anything else, as long as you don't owe wages, thank God. In the shacks of the shacks, hundreds of migrant workers of different ages and temperament are crowded ...