Sacrificing oneself to save a loved one is the most common mermaid story.
Roy Naismith was predicted to be the first heir to the Platinum Rule. The young and innocent wage earner Mermaid embarked on a romantic journey in order to find the gem "Heart of the Ocean" that symbolizes courage and responsibility.
Luo Jie, who had a low self-esteem since childhood, had to get closer to the world in order to take over the company. The wizard told him that if he wanted to find the courage, he might as well go out and see. Because of his uncle's words, Luo Jie started to explore. Met the ambitious Yang Zhen and his childhood sweetheart Cui Xueyang.
The three of them embarked on the journey with their own concerns, and later met Roy Naismith, who struck a chord with Luo Jie.
What is the story between them, and can they change the ending of the mermaid?
Motto: Be brave when you are uncertain