Story about Yeogo gwae-dam 4: Moksori / Ghost Voice / 여고괴담4：목소리 / 女高怪谈4声音 / 阴声
While training after hour in her high-school, the aspirant singer Park Young-Eon is mysteriously kil...
While training after hour in her high-school, the aspirant singer Park Young-Eon is mysteriously killed and her body vanishes. Her ghost is invisible and trapped in the school, but her best friend Kang Sun-min, who broadcast in the lunchtime in school, is able to hear her voice. After the suicide of their music teacher, Sun-min, aided by her mate Cho-Ah, finds that another student, Hyo-Jung, died in the same elevator trunk some time ago. Meanwhile Young-Eon recalls details of her life, disclosing why she died.
