The protagonist, Bei Daye, was originally the purchasing manager of a modern high-end body care institution. He is proficient in cost accounting, supply chain management and business negotiation. He has a pragmatic personality, keen observation, and both resilience and adaptability. In an accident, she traveled to a certain separatist regime during the Five Dynasties and Ten Kingdoms period. Starting from the bottom, relying on modern business thinking and a precise grasp of human nature, she managed step by step in the turbulent officialdom and palace struggles, and finally rose to the high position of chief envoy.