The Babadook, a mysterious and terrifying entity, had been haunting the dreams of a young mother named Amelia. It all started after the death of her husband, Samuel, in a car accident. Amelia's life was turned upside down, and she struggled to cope with the loss.

Amelia started experiencing terrifying hallucinations, and the line between reality and her imagination began to blur. She became convinced that the Babadook, a monstrous entity from the book, had invaded their lives. The creature, with its menacing presence, seemed to embody her deepest fears and grief.

As the events escalated, Amelia's relationship with Samuel began to suffer. The boy became more withdrawn, and Amelia's behavior became more erratic. Desperate for help, she turned to a local therapist, but even he seemed skeptical of her claims.