After their mother passed away, Alma and her younger sister, Mia, moved from Jakarta to Surabaya because Alma got a job as the manager of Sasmaya Apartments. Strangely, the 6th floor of the building was closed off. However, due to an urgent situation, Alma and Mia were forced to enter the floor and go into unit 610. There, they saw the figure of a mysterious woman and a little girl who said, "Four days, sunset..." From that moment, Alma and Mia began to experience terrifying hauntings. It turns out that unit 610 was a haunted place. Anyone who opens it will die in four days at sunset.