The lively and lovely dragon girl Zhu Sha came to the world to play once and met the interesting young man Zhao Wenbin. The two often played together secretly and agreed to be together for life. However, they were restricted by the rules of the dragon clan. The dragon clan cannot be with mortals, otherwise they will be destroyed physically and mentally. The Dragon King of the South China Sea wanted to save the dragon clan. Daughter, he used the Heavenly Punishment Stone to turn his daughter into a koi, making her forget everything. The Dragon King personally gave her guidance, hoping that one day the cinnabar carp would jump over the dragon gate and be reborn as a dragon. However, fate was destined, when the carp spirit cinnabar meets Zhao Wenbin who has the memory of his previous life, where will the relationship between the two go? How will the Dragon Prince of the East China Sea, who loves Cinnabar deeply, work hard to get true love?