Cole Lane's engagement is broken off by his father-in-law due to his family's poverty. He suffers bullying from Fishing Tyrant, Tyrone Young. During a fishing expedition, he activates the 'Neptune's Command System,' gaining the ability to control sea creatures. Cole Lane's life is turned around. He uses this power to catch rare seafood, amassing a fortune. He cures his father's illness and gets his revenge on the bullies.