In this chilling first look at the film "Rosario," the gripping story unfolds during a harrowing night as Rosario confronts unimaginable horror. As she keeps vigil over her deceased grandmother's body, awaiting an ambulance amidst a relentless snowstorm, she faces a terrifying ordeal. Supernatural forces possess her grandmother's corpse, thrusting Rosario into a life-and-death battle against otherworldly entities. Prepare for an intense journey as she struggles to survive the night and uncover the mystery behind the haunting.