After Lin Xiangnan is framed by capital and fired, he takes over the management of the family-owned shops on the old street. He discovers that companies such as Chaoweili are trying to drive out shopkeepers and profit from redevelopment through forged notices, unauthorized rent collection, and other underhanded tactics. With the shopkeepers' help, Lin Xiangnan gathers evidence to expose the scam disguised as commercial upgrading and recover the tenants' rights, breathing new life into the old street. Committed to fairness and transparent accounts, he continues to guard against hidden hazards in the back alleys, standing watch over the everyday bustle and warmth of the entire street.