The Lullaby (2018)

Overwhelmed by the birth of her firstborn, Chloe van Heerden tries to come to terms with motherhood. Despite constant support from her mother she still struggles with the demand of being a new mom. The constant crying of her baby, the growing sense of guilt and paranoia sends Chloe into a dark depression. She starts to hear voices, the humming of a childhood lullaby and sees flashes of a strange entity around her child. Convinced that the entity is real, she does everything in her power to protect her son.