“Trashy Boy” records the inner struggles of a “troubled teenager” in a small town in western China after gradually becoming disconnected with his school and family. After suffering from “Purpura” in childhood, treatment led to obesity.After high school, he had strained relations with his parents and also left school.After enjoying hip-hop music, he lived in secluded places and only wandered in the streets late at night. He put his dissatisfaction and hope with life in the Freestyle. When the virtual love and network live streaming appear in his life, it brings more troubles. The structure of a society often unfolds its picture in the spiritual realm of the individual in a very violent way. The “Xiao Wu" of a network era, roaming in the sensitive and lonely night.There will be another sun at night, crowned him with gentle light.