One day before the winter vacation in 2019, Xinmo found a letter in the desk drawer. The letter was addressed to her, but it was signed by a stranger. The letter paper has also turned yellow and looks very old. As more and more letters appear, Xinmo seems to have discovered some clues. Is this a boring prank or some kind of arrangement? As things gradually unravel, can Xinmo uncover the mystery?
Intention: The roses we watered with care when they were green and ignorant will continue to bloom in a different way in the changing time and space.