Two sisters travel to Semarang to help manage a mysterious hotel where they encounter a dark secret and a deadly curse.

After their mother’s death, Alma and Mia moved to Surabaya, where Alma became manager of Sasmaya Apartments. The 6th floor was mysteriously sealed, but an emergency forced them into unit 610. There, a ghostly woman and child warned, “Four days, sunset…” From then on, they were haunted, as anyone who enters unit 610 dies in four days at sunset.