The once inseparable girls Gu Qing and Lin Miaowei broke up before the college entrance examination due to a tampered "betrayal"; ten years later, one became a lawyer who defended the weak, and the other became a hospice care worker who accompanied the end of life, and they reunited in the folds of the city. In the last words of the old man, the ruins of community demolition and unsent letters, they uncovered the truth of misunderstandings, and jointly protected those people and memories that were about to be forgotten with laws and images - this is a female symbiosis narrative about missing, witnessing and gentle reconstruction.
