Neighbor Du Daqiang piles chicken manure all over Chen Ye's courtyard wall, trying to force him to sell his land and move away. Chen Ye doesn't argue; instead, he takes photos as evidence and submits them for inspection. While handling the dispute, he investigates the livestock waste treatment market, calculates costs, and connects with clients, turning the trouble into a business. In the end, Du Daqiang's business falls into trouble, and he comes to beg Chen Ye to buy his chicken farm. The conditions Chen Ye offers make everyone see clearly who truly understands business.