Dormitory 307 is the most ordinary corner of Qingteng Middle School, but at 1:17 every Wednesday morning, the tranquility is torn apart by the strange "rustling" sound of combing hair. Backbone, First Dream, and Xu Nuo, the three boarding students were drawn into the center of the whirlpool because of this penetrating sound.
They were ordinary existences on campus: their backbones concealed the secret relationship between their father and the renovation of the dormitory building, Chu Meng was both afraid and curious about the unknown, and Xu Nuo always used laughter to cover up his timidity. But when the frightening midnight on time every week, the looming shadow of someone combing his hair in the water room, and the dormitory's abnormal behavior of burning paper are entangled with an old case on campus twenty years ago, the three of them are forced to become seekers of the truth.
Should we follow our fears and avoid them, or should we face the shadows and dig into them? In countless heart-pounding nights, they used courage and wisdom to uncover the "scars" buried in Ivy Middle School little by little. And every step closer to the truth, danger follows like a shadow - disappearing faces, shadows chasing souls, and strange patterns, all tell: some secrets should not be awakened...