SongSparrow在枝头歌唱，清脆的旋律唤醒晨曦。铁艺围栏

　　A Group of refugees tries to reach themselves to a safe country in search for a better life. They pay a smuggler to convey them across the boarders in a fridge truck. However, the freezing temperature of the truck turns their hopes for a better future into a fierce struggle for survival.