In the aftermath of an encounter with a supernatural entity, Sergeant Victor Ruiz and his team are faced with a grim reality. Having witnessed the entity's devastating power first-hand, Ruiz grapples with the loss of his teammates and the task of preparing a new team for a confrontation. Amidst skepticism, the gravity of the threat is underscored by a visit to the scene of the massacre, where the evidence of the entity's abilities is undeniable. The narrative sets a dire tone for the impending mission, highlighting the challenges and uncertainties that lie ahead.