Chen Yutong, a girl's middle school student, was bullied at school, but her mother Li Han was unable to save her daughter from the \"hell\". Everyone around her turned a blind eye, and a collective silence brewed greater violence. 女子中学学生陈语彤遭遇校园霸凌，母亲李涵却无法拯救身处“地狱”的女儿，身边所有人更是“视而不见”，一场集体的沉默酝酿着更大的暴力……
