Residents of Minnesota are shocked by terrible news: a sexual maniac has kidnapped a famous psychiatrist and her two daughters. The police are at a loss: they cannot act according to the usual scheme, since the enemy is not just a psychopath, but a talented programmer who skillfully imposes “his game” on the authorities. They turn to Lucas Davenport, a former police officer and owner of a computer games company, for help. Will he be able to unravel the sophisticated plans of a madman and save people in trouble from mortal danger?