In order to protect the mermaid's habitat, Su Nian turned into an undercover agent and infiltrated the Ocean Group, vowing to stop the devastating deep-sea mining project.
She lurked in secret, focused on completing her mission and returned to the deep sea. When she first met Wen Yanzhi, the project chief, she became tense.
The ancestral heart-protecting scale worn by Wen Yanzhi would burn and tremble whenever he came near Su Nian. The scales that spanned four hundred years resonated quietly, and he could not forget the rescue girl wearing a shell mask on the uninhabited island, who seemed to be right in front of him.
Suspicions pile up, and confrontation is about to break out.
"Miss Su, what is your purpose in coming to Yuanyang?"
Su Nian grabbed his throat with her backhand and said, "Knowing too much will only set you on fire."
The racial divide lies before us, and an ancient secret buried deep in the deep sea is slowly being unveiled...
