Diagnosis: Death (2010)

Plot

Two strangers become unwitting participants in a weekend drug trial, only to find themselves in a perilous situation. The clinic’s eccentric staff and the mind-altering effects of the experimental medication blur the lines between reality and illusion. As they experience bizarre hallucinations, a chilling possibility emerges: the facility may be haunted. To survive the escalating threats, the duo must join forces to uncover the eerie truths hidden within the clinic's walls, navigating both psychological terrors and supernatural elements that threaten their very existence.