The Witty Sorcerer, also known as Zuo ci xi cao, is a 1931 Hong Kong historical comedydrama film, directed by Lai Pakhoi. It was released onMarch 1931 after Lais other film The Pain of Separation and starred Lai himself and Xu Menghen. It is based on a story in Luo Guanzhongs historical novel Romance of the Three Kingdoms about Zuo Ci playing tricks on Cao Cao played by Lai Pakhoi. It was one of the earliest locally filmed Hong Kong feature films to become successful on a grand scale.
Source: Wikipedia