Fisherman Lu Hai is framed and falls into the sea, unexpectedly gaining the ability to see through the deep sea. He drives a broken boat to venture into the far sea, relying on his superpower to identify fish schools, avoid undercurrents, and find sunken treasures, going from having nothing to building an ocean-going fleet. Facing bullying, suppression, and capital blacklisting, he strikes back powerfully time and time again, ultimately uncovering deep-sea hidden treasures, leading his fellow villagers to wealth, becoming an ocean legend ruling the open ocean, and opening up an ocean empire.