When a paranoid man almost shoots his six-year-old son at home, Dr. Lightman is hired by the army to check him. He is the decorated Sgt. Jeff Turley, who is suffering from PTSD, and Cal and his team bring him to their office to use augmented reality to find what happened with him. Soon they learn that something affected Jeff when his convoy was attacked by the enemy and he opened a red door. They seek our his superior, Cpt. Stan Renshaw, who gives the official report of the mission. But Cal and Gillian see that the report does not tell the truth and investigate the subject further.
—Claudio Carvalho, Rio de Janeiro, Brazil