Wengi: Anak Mayit tells the story of Dewi (Sara Wijayanto) who decides to move into the house she inherited from her parents, but her husband (Demian Aditya) is not entirely convinced by this decision. In the end, Dewi moves into the old house taking her only daughter, Bella (Atiyah Shahab) with her. The old inherited house turns out to have a life-changing mystery for Dewi and Bella. Since then, both of them have experienced many events of terror, ghosts, screaming and crying during their stay there.