A dollmaker named Samuel Mullins and his wife Esther welcome a group of orphaned girls and their caretaker, Sister Charlotte, into their home after their orphanage is closed. The Mullins are still grieving the loss of their own daughter, Annabelle, who died in a tragic accident twelve years earlier. Among the orphans is a young disabled girl named Janice, who is particularly drawn to the forbidden room that once belonged to Annabelle. Ignoring warnings to stay away, Janice discovers a creepy doll hidden within a closet and unwittingly unleashes a malevolent force.

As strange occurrences begin to escalate, the true nature of the doll is revealed to be sinister, putting all of the inhabitants of the house in grave danger. Samuel and Esther's heartbreaking past comes to light, explaining why they isolated certain parts of their home. The evil presence attached to the doll targets the vulnerable orphans, and fear spreads throughout the household. Janice’s curiosity turns to terror as she becomes the focus of the entity's dark intentions, leading to a chain of events that threatens everyone in the Mullins' home.