Goodnight Mommy is an Australian-based psychological horror film that was both written and directed by Veronika Franz and Severin Fiala. The film's protagonist film stars such as Susanne Wuest, and the twin actors are Elias and Lukas Schwarz. The story circles around the complicated relationship between the twin brothers who treat their newly returned mother from the hospital. The boys question if the current version of their mother is a replica or the real one. The story continues to sprinkle a lot of horrors happening to the mother.