Due to the arrival of a lonely young man, the climate in the previously quiet coastal town of Qingling became abnormal, resulting in the most severe storm surge crisis in history. Perhaps it was due to the unknown powerful gravity of the deep sea. The young man pursued the ocean and discovered a man from the mermaid tribe lurking near the reef. They slowly approached each other through repeated accidental encounters and learned the cause of the crisis. They tried to solve the crisis through cooperation between humans and the mermaid tribe...
(The main plot is the protagonist's bloody blade pure love story)
