After two years of not hearing from her brother who was studying in another city, Tia received constant promptings to look for her brother or that her father, Yusuf, had died. Armed with a photo, Tia's search leads her to a mysterious boarding house near her brother's campus. Welcomed by the couple who own the boarding house, Rosa and Jefri, Tia suspects that something is wrong behind Rosa's excessive friendship. Not to mention the presence of a mysterious young man named Nathan who keeps changing to leave the boarding house immediately. Inside the boarding house, strange events occur in succession. The deeper Tia searches for her sister, the greater the terror she faces. Behind it all, there is a curse and a cult that targets Tia.