With his desperate parents in tow, an 11-year-old boy with a debilitating illness checks into an isolated clinic to undergo experimental therapy.

A young boy with a rare autoimmune disease is taken by his parents to a secluded medical facility for treatment. The facility is run by a doctor who claims to have a new experimental treatment that could cure Eli's disease. However, as Eli undergoes the treatment, he begins to experience strange and terrifying visions that seem to be linked to the facility's dark past.

As the treatment progresses, Eli starts to suspect that he is not being told the whole truth about his illness or the true nature of the medical facility. With the help of a young girl he meets, Eli begins to uncover the dark secrets of the facility and the sinister forces that seem to be at work. The movie features an unexpected twist that leaves the viewer questioning what they thought they knew about Eli's illness and the true nature of the facility.