The disappearance of Riani's doll makes Riana come to Elodia's dormitory. The dormitory is often carried out by female students, who perform ritual games using a mirror, namely Bloody Mary. However, this game revolves around the terror that harms Elodia's students. Riani's innocent doll is the mastermind. Riana, who is unraveling the mystery, is trapped in the middle of a condition to bring Riani home and find the answer to the innocent terror of her favorite doll.

In her childhood, Riana lived in a small town with her father and her mother who ran a funeral house business. A disaster required them move to Uncle Johan's house in Jakarta and Riana meets with Riani doll. Riana grows up and one day got visited by Mrs. Klara, a counselor-teacher in her school who wants to know why Riana has not attended school and suggests Riana rehabilitated. Disasters take place to Riana's parents. Mrs. Klara comes again with Hendro, Lusi and Anggi, to help Riana socialize. But, their presence triggers a bigger problem; a vicious creature of the past ia released and terrorize them all.