Only weeks after a shootout nearly killed blind high school senior Tess Barrett and left nine unidentified mercenaries dead, her uncle and guardian, Travis, is kidnapped. Tess and her assistant Oliver soon learn that a game app developed by her father's company, which Travis now runs, is infected with an artificial intelligence virus that brainwashes game players. To Tess's horror, she also learns that Travis gave a copy of the infected game app to...