In a quiet hospital, a group of doctors and nurses prepares for a normal day of work, but everything changes when a serial killer escapes from a mental institution and begins to stalk the place. The story centers around a young woman named Susana, who returns to the hospital where she experienced trauma related to a terrible crime years ago. As she tries to overcome her inner demons, she finds herself trapped in a true hell when the relentless psychopath starts eliminating staff members one by one.
As the tension rises and blood begins to flow, Susana is forced to confront her deepest fears and discover what connects her to the madness unleashed around her. With a young and passionate cast, the film explores the thin line between insanity and logic as the characters try to understand who the real monster is.
As night falls, the brutality of the killer escalates, leaving behind a trail of horror and despair. The atmosphere becomes oppressive and claustrophobic, with every decision turning into a matter of life or death. In the end, Susana is compelled to fight not only for her survival but also to unravel the unsettling connection she has with the killer, confronting a past she thought she had left behind, which returns more terrifying than ever.