"WarGames" is a 1983 science fiction film directed by John Badham. The story follows a young computer whiz named David Lightman, who accidentally hacks into a U.S. military supercomputer called WOPR. Mistaking it for a game, he initiates a series of nuclear war simulations, which leads to a real crisis as the military believes the country is under attack. As the plot unfolds, David teams up with his classmate Jennifer Mack to stop the computer from launching a nuclear strike. The film explores themes of technology, the potential dangers of artificial intelligence, and the importance of communication in preventing misunderstandings.