1 A boy heckled mary Shaw
It has been shown that 70 years ago, during one of her shows, she was heckled by a boy. The boy stated that he saw her lips moving while Billy was talking.
2 Mary Shaw killed the boy
After this incident; Mary Shaw kidnapped that boy and killed. Then she turned him into a dummy as she was already in the hunt of a perfect dummy.
3 The Ashen family killed Mary
The Ashen family searched for Mary. It was not easy to find her, so they took the help of the town's people and finally found her. First, they cut her tongue and after that killed Mary.
4 The spirit of Mary decided to take revenge
The spirit of Mary comes and decided to kill everyone who was involved in killing her, including their children and grandchildren. She cut off the tongue of everyone the way they did it to her and made them silent.
5 Mary chased Jaime's family
She also chases Jaime’s family to take revenge. Jamie was the relative of the boy who bullied Mary.
6 Mary Killed Jaime's wife
It is unfortunate to watch, but she kills Jamie's wife as she was the bearer of his child. Mary planned to kill all the relatives of the boy who chased her. (See The Autopsy of Jane Doe Movie Explained)
7 Mary killed Jaime's father
She also kills Jaime's father and turns him into a doll. Later on, you would get to know that in the complete movie, Jamie was not talking to his father but Mary's soul.
8 Jaime's stepmother is a doll
She turned both Jamie's mother and father into a toy that she was controlling. His mother was the perfect doll that she was trying to make for a long time. (See Voice from the Stone (2017) movie ending explained)
9 Mary lives inside dolls
She stays alive till the time her dolls remain intact. Jamie tries to kill all the dolls and become successful in doing so, but he is unable to mill the doll of his father and stepmother. This is the reason why Jamie gets killed at the end of the movie.