On the surface, he is a talented little chef who is harmless to humans and animals by the Qinhuai River, but secretly he is a top agent who scares enemy agents. Lu Qinghuan used a bowl of braised pork to instigate the enemy boss, and used a plate of sweet-scented osmanthus cake to deliver top-secret information. While the enemy agents were still racking their brains to crack the code, Lu Qinghuan had already pried open their mouths with delicious food and conquered their stomachs by the way. This is a silent thunder played with pots and pans, and a dragnet set with oil, salt, sauce and vinegar.