 Mao Xiaobing (Xia Yu), a water bottle delivery boy in Beijing, loves to watch movies.One day, however, while riding his bike, he is attacked by Ling-Ling (Qi Zhongyang), a disturbed young woman, that lands him in the hospital.Ling-Ling is promptly arrested, but refuses to say why she attacked Mao Xiaobing, asking him only to feed her fish.