Satan's Slaves 2: Communion is a horror movie that follows the story of Rini's family. The family has just moved from their old home to an apartment building. However, their new home is not as peaceful as they thought it would be.
One day, the matriarch of the family, Ibu Mirah, gets sick and is hospitalized. While she is undergoing treatment, strange things start happening in the apartment. The family members keep hearing weird noises and experiencing unexplainable events.
Things get even more terrifying when Ibu Mirah dies and her body disappears from the morgue. The family starts to suspect that their dead grandmother may have been involved in some occult practices. They soon discover that Ibu Mirah was a member of a cult that performed human sacrifices to appease Satan.
As Rini and her family delve deeper into the mystery, they realize that they are in grave danger. The cult members are after them and will stop at nothing to keep their dark secrets buried. Will the family be able to escape the clutches of the cult and survive the supernatural horrors that await them? Only time will tell.