In the picturesque Song Dynasty, young apprentice Xu Xian finds a golden hairpin by West Lake, leading to a meeting with 2 ladies, Bai Suzhen and Little Green.

Bai, a snake spirit transformed into a human after a thousand years of practice, falls in love with Xu at first sight.

However, their love is challenged by Monk Fahai, who believes their relationship defies natural laws.

Using trickery, he exposes Bai's true form, sparking a series of conflicts.

Despite the struggles, Bai bravely steals a magical elixir to save Xu, but ends up imprisoned by Fahai under Thunder Peak Pagoda.

Xu becomes a monk, staying by the pagoda to watch over Bai.

This tale, remembered for its deep emotions and cultural significance, teaches lessons about love and sacrifice.