In the center of Taipei, a ragged man, Li Wuxiong (played by Chen Wenbin), was holding a girl under 10 years old (Zhao Youxuan) in his arms, preparing to jump off a bridge to commit suicide, which attracted the police and the media to chase and intercept him. In front of the TV, many people were watching the development of the situation. Facing the police, Wuxiong shouted "social injustice", which aroused everyone's curiosity. It turned out that Wuxiong had a daughter when he lived with his ex-girlfriend, the girl in his arms, and the child was named Meizi. Later, the ex-girlfriend remarried and there was no news. Wuxiong raised the girl independently, and the two depended on each other and lived a miserable life. In order to make a living, Wuxiong engaged in many high-risk jobs, diving sewage was one of them. Meizi has reached school age, but according to the law, the legal guardians, that is, the biological mother and stepfather, are qualified to handle the procedures. Although Wu Xiong is the biological father, he cannot exercise his rights as a guardian due to lack of legal basis. In order for Mei Zai to go to school as he wishes, Wu Xiong embarks on a difficult road of defending his rights... This film is based on a social news in 2003 and won four awards at the 46th Golden Horse Awards: Best Picture, Best Director, Best Original Screenplay, and Outstanding Taiwanese Film of the Year.