Retired special reconnaissance soldier Lin Ye goes incognito as a delivery rider in Jiangcheng to uncover the truth behind his father's framed death! Relying on top-notch reconnaissance skills and the rider intelligence network, he tracks clues and runs into lawyer Su Qingyan, discovering suspicious points in the urban renewal project. Venturing deep underground to retrieve engineering fraud evidence, he unites with allies to record audio and roots out the mastermind Zhou Zhenbang. Facing the wicked forces' frantic retaliation, Lin Ye stands unfazed against oppression, fights bullies head-on, and gathers criminal evidence to bring them to justice. Finally submitting a complete evidence chain, he assists the discipline inspection committee in investigating corrupt officials, clearing his father's name! He continues to transform into a rider, upholding justice and guarding peace in the region.