Postpartum (2016)

Alice is a good mother and convinced that her that her children are possessed by one of the four beasts. She leaves them in the care of the nanny, and one day after returning from the store she finds her children dead. Pleading her innocence she is sent to a state facility for life for the killing of her children. After her first night in the facility she begins to see her dead children in her dreams and in reality. The staff discovers that Alice is pregnant and informs her that they will have to take the baby from her, but being a good mother means she will go to terrifying lengths to protect her unborn...