Chen Tiejun and his wife drive a large iron ship through the river mists, accidentally sailing into the ancient city of Yunshui, which is suffering from a century-scale flood. Facing the ancients who urgently need supplies, they bring in modern rice, medicine, and infrastructure equipment, saving 100,000 commoners and sincerely taking in distressed refugees. Relying on the precious treasures given in gratitude by the ancients, Tiejun acquires an old dock in the modern world, lifts up struggling relatives, and subdues business rivals with his grand vision. In the end, a miraculous logistics route connecting the two realms and creating a win-win partnership officially sets sail, writing a heartwarming legend across time and space.