都市正高速膨胀,却仍少经探索。小李夜晚工作、白天睡觉,他的舍友则与之相反。在北京的地下室里,两个男人不同时入眠,却分享了同张睡榻。这小小空间,成为两人仅有的庇护之地。但很快,这里也将不复存在。The city keeps growing and remains unexplored. Li, a migrant worker in Beijing, works by night and sleeps by day; his roommate's rhythm is the opposite. In an underground housing, the two men share the same bed, but never at the same time.