Blessed with exceptional skills, Du Qianqian, the young miss of the "Hongjiang Escort Agency", disguises herself to infiltrate her father Du Feilong's escort team for the sake of protecting her family and country. Their starting point is none other than Hongjiang Ancient Commercial City, a millennium-old commercial hub bustling with merchants and lined with escort agencies! Those bluestone slab roads and Yinzi house complexes that have witnessed countless travels of merchants and travelers are about to witness a thrilling escort mission concerning the survival of the nation.