Chef Qin Fen owns Wu Shuang Lou which people know for its Wu Shuang Yan. He has four apprentices: Fang Dong Bai, Qian Nan Hua, his daughter Qin Xi Hong and Zhou Bei Fa. After Qin Fen's death, each of them moves on with their endeavours. After Xi Hong inherits Wu Shuang Lou, it has not been doing well. Nan Hua's wife, Hui Ying, even opens Du Yi Wu Er opposite Wu Shuang Lou to compete with Xi Hong.