The new captain Jiang Nanfeng accidentally became the owner of the "Six Thieves". He assembled a group of alternative partners with their own unique skills. They swam in the mysterious waters of the archipelago, cunningly and funnyly competing with the navy, evil pirates, mythical monsters, etc. In a battle of wits and courage. During this period, they experienced treasure map disputes, maritime hegemony, ancient island secrets, brother betrayal and family bonds, and reached the peak of growth amidst laughter and thrills. In the end, everyone cracked the secret of the ancient civilization and resolved the crisis sweeping the sea. Each of the six became legends, and the story of the 'Six Thieves' came to an end.