The demon god Cangming, who had been sleeping for thousands of years in the abyss of the North Sea, awakened, and his coercion frightened hundreds of tribes. In order to appease his anger, each tribe offered sacrifices - Xi, the fallen mermaid princess captured by the humans. Tide, who looks weak and can be bullied with tears in his eyes, is actually the last sea emperor war god who fought a bloody battle in the abyss. Losing his power is just an illusion, while dormant revenge is the true meaning.
The enchanting and lazy devil thought he had gained a fragile plaything, but unexpectedly fell into a morbid obsession. He regarded her as his exclusive bride, doting on her and being extremely possessive. While he indulged her "dependence" and "cowardice", he watched her secret tricks with great interest, and even silently cleared obstacles for her and helped her get revenge.
While pretending to be sweet and sweet, tide uses the power and power of the demon god to reorganize forces and tear apart the enemy. At the same time, she secretly plans to kill the big boss, but her original intention is gradually shaken in the confrontation... The powerful team up, real and fake acting skills compete, fight the ancient ferocious beasts, sweep across the conspiracies of hundreds of tribes, from false temptations to sincere promises, from deep sea cages to side by side on the throne, this is a legend that begins with deception but ends with deep love.