Three demon hunters arrive on a secluded island to look into reports of repeated disappearances possibly linked to sinister supernatural entities. At first, the beautiful landscape and calm environment give their visit the feel of a much-needed break from their usual duties. Before long, however, they detect an ominous and malevolent aura pervading the area. This discovery quickly dispels any notion of leisure, alerting them to the presence of dark forces that may be behind the troubling incidents.