Su Wan, an orphan girl from a fishing village, is driven out by her aunt and uncle, left only with a broken boat and an iron fish spear. She accidentally awakens her grandfather’s Trident of the Sea God and gains power to command sea beasts. Catching deep-sea treasures, she rises to become the richest in the village. Su Wan leads fishermen to form a joint operation group, builds ice houses, sails far offshore and fights crooked merchants. Finally, she defeats tyrant Boss Qian who monopolizes the fish market, revives the fishing village, and marries her childhood sweetheart Gu Zhou.
