share time: 2025-11-29 00:30:15
Lin Xiaoman, a subway customer service worker, has guarded the last train for three years in her uniform. She seems like an "emotional树洞 (tree hole)" receiving passengers' complaints, but actually, she's searching for her sister who went missing three years ago because of her "impatience to listen to her plea". Until an old man who repeatedly complains about "a little girl crying in the subway" and a mysterious boy who always leaves secret notes on the last train appear. Clues point directly to the last train on the night her sister disappeared——It turns out that those she listened to all hold fragments about her sister, and what she's looking for is not just her sister, but the "sorry" she never said.
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