Vera is an engineer and a young divorcée. She is pretty, lonely, and has a boyfriend, Tamás, whom she is dating secretly on a certain day of the week at the week-end house of one of their friends, as Tamás has a family and does not intend to divorce his wife. Vera would like their relationship to be publicly acknowledged.
In late 19th Century Hong Kong the British may rule the land, but the pirates rule the waters. One Coast Guard officer is Dragon Ma, who is determined that his beloved Coast Guard will not be made a fool of.
High School student David Lightman (Matthew Broderick) has a talent for hacking. But while trying to hack into a computer system to play unreleased video games, he unwittingly taps into the Defense Department's war computer and initiates a confrontation of global proportions! Together with his girlfriend (Ally Sheedy) and a wizardly computer genius (John Wood), David must race against time to outwit his opponent.