Lady White Snake, who has been cultivating herself for 1,600 years, realizes that she is on the verge of being destroyed and has an inspired thought--the same spell that vanquishes evil spirits can also be used to fulfill the desires of all living beings. Her own heart's desire is very simple--to be a normal woman and be married to Xu Xian--and she decides to cast the spell herself.
而有 1600 年修為的白蛇精，眼看瞬息間就要灰飛煙滅，靈機一動，原來這個印訣雖可降伏諸魔，卻也能讓一切眾生遂其所願，而白娘子要求的不多，她只想當一個平凡女人、和許仙結為夫妻，因此也回應以相同的印訣。