Ximen Chuixue (played by Peter Ho) and Ye Gucheng (played by Yan Kuan) agreed to fight a decisive battle on the Forbidden City on the full moon night of September. As soon as the news came out, a series of incredible murders occurred. Before Lu Xiaofeng (played by Julian Cheung) could figure out the situation, his confidante Ouyang Qing (played by He Dandan) was also attacked. In order to find out the truth, Lu Xiaofeng made secret investigations along the way. He had a premonition that there must be a mystery behind the "Forbidden City Battle". When the mystery was revealed one by one, it turned out that these rivers and lakes storms were all ambitious revenge plans designed by Ye Gucheng. This costume digital film is adapted from the unit "Before and After the Decisive Battle" in Gu Long's martial arts novel "The Legend of Lu Xiaofeng". It is directed by the famous Hong Kong director Deng Yancheng and starred by Julian Cheung, Peter Ho, Yan Kuan and others. Deng Yancheng is known as the number one director of "Hong Kong crime films". This time, he directed the film and presented the most fantastic, suspenseful, satisfying, and heart-wrenching "Legend of Lu Xiaofeng" from the novel of martial arts master Gu Long on the screen, which was widely praised and loved by martial arts fans.