Lu Chengzhou, a bankrupt fisherman, is about to turn his life around after catching a million-yuan haul, but his two female apprentices push him into the sea and plot against him. After falling overboard, he rescues Ao Lan, a dragon princess trapped in danger, and escapes with her help. Facing his former apprentices' embezzlement of his fortune, pressure from rivals, and his father's medical expenses, he refuses to give up or resort to violence. Using his fishing expertise and business acumen, with the dragon princess's assistance, he runs his business legally, rejects exploitative contracts, and insists on defending his rights with evidence and the law. In the end, he recovers his property, helps the police punish the criminals according to law, establishes a complete seafood supply chain, and leads his fellow villagers to prosperity, winning back his dignity through loyalty and compassion.