The main elements of the story are the South China Sea, the mermaid, the snake demon, the heart-eating Gu, the ruins, the evening primrose, and the love between the protagonists A Yuan and Xiang Liu. Their love has gone through the test of life and death, transcended the barriers of ethnicity and memory, and finally found rebirth in the ruins.
Intention: The one you love will be immortal despite calamity