It stars Kelly Reilly, Sadie Sink, Lili Taylor, Max Martini, and Charlie Shotwell.

The film follows a boy with a rare autoimmune disease who is taken by his parents to a private medical facility to be cured.

Young Eli Miller suffers from severe allergic reactions to the outdoors and is forced to live in protective gear.

His parents, Rose and Paul, take him to Dr. Isabella Horn's secluded medical facility built in a renovated old house.

He then levitates the assistants in the air, spin them upside-down (resembling the Cross of St. Peter), then set them on fire.

In March 2017, it was announced that Ciarán Foy would direct the film, with Ian Goldberg and Richard Naing contributing to Chirchirillo's screenplay.

Trevor Macy and John Zaozirny produced the film, while Melinda Nishioka served as a co-producer.

[7] In October 2017, Paramount Players acquired distribution rights to the project, and set it for a January 4, 2019, release.

The site's critical consensus states, "Intermittently effective if not wholly successful, Eli offers horror fans a handful of jump scares in search of a truly terrifying story.