The story begins with the Harper family, who are grappling with the pain of losing their mother. The main character, Sadie, along with her younger sister Sawyer, is trying to find peace while their father, a psychologist, is consumed by grief and unable to care for them.
As the sadness gradually overwhelms their lives, Sadie starts to notice strange occurrences happening in their home. A supernatural entity, the Boogeyman, begins to haunt and terrorize the family, plunging them into a state of panic. The Boogeyman is not only a physical monster but also a symbol of fear, loss, and unresolved pain.
In their journey to confront the Boogeyman, Sadie and Sawyer must not only fight the monster but also find a way to overcome their grief and mend their family ties. The film goes beyond just creating fear, delivering a profound message about love, forgiveness, and the strength of family.