本片拍摄记录四位在深圳地铁打拼的90后员工的生活工作和理想抱负。力求客观的去展现在深圳这座移民城市中的年轻人的酸甜苦辣，他们有幸福，有抱怨，有思乡，有疲倦，更有奋斗……

Four Young people in the post -90 generation work at Shenzhen Metro. They work hard, have their own ambitions and lives. This film tries to give an objective presentation of young people in this immigration city, their happiness, their complaints, their struggle, sorrow and homesickness......