Mamanyiika (2010)

Still grieving from the death of her mother, young Abigail finds a half-buried ragged doll on a burial mound in the cemetery. Her older sister, Anna, begins to experience strange occurrences in their household upon bringing the doll home. Believing it was her "Mama Doll", Abigail refuses to throw it away.

Unfortunately the movie Mamanyiika is not yet available on HBO Max.