Slipstream is a 1989 post-apocalyptic science fiction adventure film. The plot has an emphasis on aviation and contains many common science-fiction themes, such as taking place in a dystopian future in which the landscape of the Earth itself has been changed and is windswept by storms of great power. There are also numerous sub-plots, such as free will and humanity amongst artificial intelligence.
In the late 1970s, Cockney crime boss Harold Shand, a gangster trying to become a legitimate property mogul, has big plans to get the American Mafia to bankroll his transformation of a derelict area of London into the possible venue for a future Olympic Games. However, a series of bombings targets his empire on the very weekend the Americans are in town. Shand is convinced there is a traitor in his organization, and sets out to eliminate the rat in typically ruthless fashion.