What if your imaginary friend was real? And what if that real imaginary friend is evil? That’s the basic idea behind James Wan’s new horror film, “Malignant.” READ MORE: Fall 2021 Movie Preview: 60+ Must-See Films As seen in the new trailer for the feature, “Malignant” follows the story of a woman that grew up dealing with her traumatic early childhood with the help of her imaginary friend, Gabriel.