A group of teens looking for thrills at a notorious abandoned asylum stumble into a night of chaos during a drug-fueled party. Their reckless decision to dabble in the occult triggers a terrifying possession, trapping them inside with no way to call for help. As tensions rise and trust erodes, they attempt a desperate exorcism to save their friend, inadvertently releasing a far more malevolent spirit. With time running out, the teens must unravel the asylum's dark secrets to survive this nightmarish ordeal before they all fall victim to the vengeful force.