Following the death of her mentally ill mother, Annie (played by Toni Collette), along with her husband (Gabriel Byrne), son (Alex Wolff), and daughter (Milly Shapiro), navigate their mourning process. In an attempt to cope with their profound loss, both Annie and her daughter explore the supernatural realm. This leads them into a series of eerie and unsettling encounters, unveiling the dark secrets and emotional burdens that have been inherited through their family lineage.