Veteran fisherman Qi Wanshan accidentally falls into the sea, gaining special abilities due to a past act of kindness. Not only does his paralysis heal, but he can also precisely perceive the movements of marine life. Cutting off cold-hearted ties, he gallops through the deep sea with wisdom and courage, guarding marine cultural relics and fishing rights, heavily defeating domestic and foreign illegal smuggling and poaching forces, and even winning glory in international marine competitions. As an ordinary fisherman, he writes an inspiring and passionate legendary story of self-improvement and ocean protection.