Zhang Shaoheng, a young man who grew up by the sea, unexpectedly gains a magical ability: he can understand the inner voices of marine creatures. A large yellow croaker guides him to schools of fish, a little crab helps him uncover secrets hidden among the reefs, and a white dolphin leads him through wind and waves. By running his business with integrity, he grows the cooperative bigger and bigger, leading the villagers in transforming their hometown into a modern aquaculture industrial park. This vast blue ocean holds the most generous gifts.