The film follows the story of four main characters: Ethan Mars, a father grieving the loss of his son; Norman Jayden, an FBI agent investigating serial crimes; Madison Paige, a journalist who is involved in the plot; and Scott Shelby, a private detective searching for the serial killer known as "The Origami Killer." Their paths intertwine as they face challenging moral decisions and race against time to save lives and uncover the truth behind crimes.