In the Daqi Dynasty, the Silk Road on land was gradually withered due to war and sand erosion. The Helian family was exterminated on suspicion of "collaboration with the enemy and the country." Only the young daughter Helianyou escaped death by relying on the family's secret skills. After hiding her name for ten years, she resurfaced with a secret technique that allowed silk to survive in the humid sea breeze for thousands of years and keep its fragrance forever.