Hereditary is a 2018 American psychological supernatural horror film written and directed by Ari Aster in his feature directorial debut. Starring Toni Collette, Alex Wolff, Milly Shapiro, Ann Dowd, and Gabriel Byrne, the film follows a grieving family tormented by a demonic entity after the death of their secretive grandmother.

Plot

Miniature artist Annie Graham lives with her psychiatrist husband Steve, their 16-year-old son Peter, and their 13-year-old daughter Charlie. The family attends the funeral of Annie's secretive mother, Ellen, at which Annie is surprised at the number of mourners in attendance. She attends a bereavement support group, revealing her troubled childhood and that she and her mother had a fraught relationship until Charlie was born, when Ellen became a significant figure in raising her. Meanwhile, Steve receives a phone call telling him that unknown perpetrators desecrated Ellen's gravesite, but does not reveal this to Annie.