Do you believe milk tea can save the universe? Lin Xiaonian, a 12-year-old girl, has a "time string" hidden in the back of her neck. She can see the memories of broken strings a hundred years ago, and can also solve the cross-time and space puzzle of her grandfather Shen Yanzhou: the annual rings of the old locust tree are the map of the universe, the bronze gears are the key to the heart of time, and even her grandma's silver hairpin hides the resonance of the tail fin of the mermaid tribe - these daily objects are actually the key to fighting the "perfect disease of the universe"!
