One day, a young herbalist Xu Xian came to the mountains and accidentally fell into a lake. White Snake, in the incarnation of a beautiful lady came to his rescue. Her passion for this young man could not be contained, and with the help of Green Snake, she ventured into the human world and got married to Xu Xian.

Fa Hai, a sorcerer from Jinshan Temple, whose mission was to subdue demons and slay monsters, arrived in town and detected a touch of evil from the medicine provided by Xu Xian.

Xu Xian made White Snake drink some sulphur-flower wine on Dragon Boat Festival, and the lady immediately turned into a big white snake. Meanwhile Fa Hai came to subdue White Snake. Under confusion, Xu Xian used a sacred sword and wounded the large white python. White Snake escaped with serious injury. After taking the spirit grass, White Snake regained her strength and power, In order to save Xu Xian, Fa Hai hide him and waiting for White Snake come to the Jinshan Temple...