A playboy enterprise tycoon, Liu Xuan, purchases the Inexperienced Gulf, a wildlife reserve, for a sea reclamation undertaking, and makes use of sonar expertise to eliminate the ocean life within the space. Unknown to him, the Inexperienced Gulf is the house of merpeople, and the sonar has brought about lots of them to succumb to sickness or die. Xuan's enterprise ventures within the space are threatened when he crosses paths with the mermaid, Shan, who is distributed to avenge her folks.