A series of brutal and unexplained murders grips Los Angeles, leaving the police and the public in a state of fear and confusion. The victims all appear to have been killed by a force beyond human capacity, and the crime scenes reveal grotesque mutilations. Roy Warner, a tenacious author and father of one of the victims, becomes obsessed with uncovering the truth behind these strange killings. He teams up with TV reporter Zoe Owens, who is also following the case, to delve deeper into what the authorities suspect might be the work of a crazed serial killer. However, as they investigate, Warner and Owens begin to uncover evidence suggesting something far more sinister and otherworldly is at play.

As the bodies continue to pile up, the tension in the city reaches a boiling point. Warner's pursuit of answers grows increasingly perilous, leading him into dangerous situations that he could never have anticipated. Meanwhile, law enforcement struggles to grasp what they are truly dealing with, as attempts to stop the entity meet with gruesome failure. Unbeknownst to most, a deafening noise accompanies each of these savage attacks, hinting at an unfathomable connection beyond human understanding. As the story unfolds toward its climactic conclusion, Warner and his allies come face-to-face with a chilling reality that challenges everything they thought they knew about life and death.