The film is based on novel of Qingbang " Tree" adaptation, the novel was awarded the Lao She Prize in Literature in 2002 . The film tells the story of a place in the mining area , two lives in mine idlers rely on victims to make money , they first migrant workers lured to the mining area , migrant workers killed in the mine , and manufacturing accidents illusion , and then as the family of the deceased ask for compensation to miners , they succeeded again and again , the money seems to have let two people ruined conscience ... but their goal is to become a little boy the one murderer feelings changed , victimizers and protection difficult to choose between the last suicide in the deep mine .