Ashton York faces ruin. He awakens a Space-Time Supplier System—his tractor becomes a time portal to an ancient frontier fortress, surrounded by barbarian troops. Defenders suffer. Female general Skye Sinclair holds the line. Ashton York trades modern timber, steel weapons, saving the town. He gains ancient jades and treasures. He pays off debts. Modern supplies reverse a deadly ancient siege, ancient treasures rewrite his modern fate. A double-time revenge and counterattack story.