Kent Williams

When Jack the Ripper steals his time machine, H.G. Wells pursues him across time, racing to stop his reign of terror before history is rewritten.

Would you like to play a game? Computer hacker David Lightman (Matthew Broderick) can break the most intricate secret codes and master even the most difficult computer games. But when he unwittingly taps into the Defense Department's war computer, he initiates a confrontation of global proportions -- World War III. Together with his girlfriend (Ally Sheedy) and a computer genius (John Wood), David must race against time to outwit his opponent...and prevent a nuclear Armageddon!