During the Southern Song Dynasty, the world was in turmoil, and there were evil spirits everywhere that harmed the world. There were also seeds of infatuation that were born out of fate and created a legend through the ages. In a deep mountain forest, two snakes, one green and one white, practiced for thousands of years and transformed into human bodies. They played freely in the mountains all day long, feeling very comfortable. The two snakes met the doctor Xu Xian (played by Raymond Lam) who went up the mountain to collect herbs. The white snake (played by Huang Shengyi) admired Xu Xian and accidentally saved his life. Since then, her mortal heart was touched and she decided to go down the mountain to find her sweetheart. During the festive season, the two snakes transformed into human forms and came to the city under the names of Bai Suzhen and Qingqing (played by Charlene Choi). As fate would have it, Bai Suzhen finally met Xu Xian and got married. At that time, the monk Fahai (played by Jet Li) from Jinshan Temple and his disciple Nengren (played by Wen Zhang) traveled around to exorcise demons. While chasing the two snakes, Nengren was injured by a bat demon, and his demonic nature became stronger, and his determination was shaken. Afterwards, the master and his apprentice staged the eternal entanglement of righteousness and love with Bai Suzhen and Qingqing Snake...