"Iron Teeth and Bronze Teeth Ji Xiaolan 4" consists of five unit stories: "Xiaoyue Returns", "Using a Big Banner to Cover a Tiger Skin", "Written Talks on Strange Cases", "People in the Grass and Trees" and "Zhongyi Temple". The three monarchs and ministers once again staged a series of hilarious but thought-provoking human tragedies and comedies, centering on the wise and talented Ji Xiaolan (played by Zhang Guoli) who enforces the law impartially, the great monarch Qianlong (played by Zhang Tielin) who created the "Kangxi and Qianlong Prosperous Era", and the profit-seeking, corrupt and perverted Heshen (played by Wang Gang). The series of TV series "Iron Teeth and Bronze Teeth Ji Xiaolan", starring the "iron triangle" Zhang Tielin, Zhang Guoli and Wang Gang, has released four episodes by 2009. As the fourth episode of the series, this series not only has the return of Yuan Li, who plays Du Xiaoyue in the play, but also many film and television stars such as Hong Kong actress Miriam Yeung, famous comedian Yan Ni and famous program host Liu Yiwei.