Kai, a young fisherman, falls into deep trouble after his brother’s death, crushed by heavy debts. By chance, he awakens the Golden Pupil, a supernatural vision power. With this gift, he catches precious sea treasures. He rescues wealthy heiress Iris and gains support from business tycoon Harold. Facing suppression from local villains and fishing capital, Kai builds his marine business step by step. Together with his loyal friend Jesse, he chases ocean treasures, pays off all debts, and pursues sincere love. Finally, he sets sail on his new ship toward the mysterious deep sea to fulfill his grand maritime dream.
