Finn Chen, a fisherman, was betrayed at sea and pushed into the ocean. He met Master Youyou, obtained the Dragon King inheritance, and mastered sea-controlling powers. He used this power to get justice, and took on responsibility: to earn money for his mother's medical treatment, fought sea monsters to save villagers, and protected the community. From fisherman to hero guarding coastal waters, Finn Chen's intention: power is a responsibility to protect his family and neighbors.