Vietnamese father-in-law and stonecutter have different histories. A father's history, good at strategizing, but very indecisive; Public masons are decisive, but rarely calculate and often make careless mistakes. Because these two people have a good friendship, they often learn from each other and collude with each other. Although they are two people, they seem to be one heart. No matter what they do together, these two people are always smooth sailing.

Later, there was a conflict on some trivial matters, and after the quarrel, they went their separate ways. When they act independently, they all fail repeatedly in their own government affairs. A man named Mi Xufen deeply regrets this. He cried and exhorted them, saying, "Have you ever heard of jellyfish in the sea? It has no eyes and leads the way by shrimps, who share the jellyfish's food. The two are interdependent and indispensable.