On the bank of the East China Sea, there is an island formed by mermaid teardrops. From a distance, it looks like it is shrouded in fairy mist and swaying in the water waves, so it is called Fiber Mirror Island. One day, Zhen, the guardian of the island, was pacing back and forth in front of the fiber mirror door that connected the island to the outside world. She hesitated holding the ink blue and white key to the fiber mirror door in her hand. She remembered what the old island owner said: "You must find..." So she decided to open the fiber mirror door. When she stepped into the world, the century-old secrets of the Su family, her life experience, the identity of the eldest young master Su... The truth of all these things came to light. What should she do? At the end, under the eaves of the blue-tiled roof, the plain white window screens fluttered in the wind, and someone was murmuring the ink and blue flowers...