Zheng Qingwen

Based on mysterious legend of the Beijing-Hangzhou Grand Canal. In the first year of the reign of the empress Wu, she and all her officials went on a night tour of the Grand Canal, and thousands of people in Luoyang rushed to the Dragon Gate just to see the holy face.

Set against the backdrop of the Chinese Civil War, the film tells the story of a secret agent named Lin Xi. Lin Xi, a covert operative working for the Communist side, is tasked with rescuing a fellow spy codenamed "Green Snake" who has been captured by the enemy. His mission is to help "Green Snake" deliver crucial defense plans of Jinzhou city to the People's Liberation Army outside the city, thereby supporting the assault on Jinzhou.

When genius engineer Su Ming is betrayed by his friend Lu Zhen'an and driven to suicide, his daughter Su Xia is left traumatized. Years later, after transforming herself into a determined avenger, Su Xia returns under an assumed identity and grows close to Lu Fan, Lu Zhen'an's son, while secretly pursuing the truth behind her father's downfall.