Jian Shang Die plot
A young woman turns herself into a butterfly in exchange for the healing of her ailing biologist fiancé. The biologist recovers from his illness, but struggles with the disappearance of his fiancée. The butterfly will become a human again after three years and this time is approaching. But then Celestial Island is hit by an epidemic and the butterfly realizes that she probably carries the key to healing. Meanwhile, both the neighbor and a journalist fall for the biologist. Will the butterfly manage to save the dying country from the epidemic and successfully return as a human after three years?