Chunhua, a pearl diver, risks her life to rescue a White Dragon imprisoned beneath the sea. Grateful for her kindness, the dragon stays by her side, protecting her at all times. Hai Batian, a tyrannical and vicious bully driven by greed, repeatedly devises sinister schemes to harm Chunhua for his own gain. Together, the girl and the dragon face one calamity after another. In the end, the White Dragon sacrifices itself to purify the polluted waters, and Chunhua carries on its legacy by protecting the sea, ensuring that their bond of kindness endures forever.