A young Chinese-American girl, mourning the death of her mother, accidentally falls into a mysterious lake where she encounters a beautiful woman in a white gown. Haunting dreams reveal that the woman committed suicide 50 years earlier over the loss of her lover. Sharing the ghost's sadness and determined to free her, the girl dives into the lake and finds the trapped spirit. In the end, their love for each other's "spirit" frees them from their sadness.