Zavvi - The Home of Pop Culture From producer and director Steven Spielberg, with a script by screenwriter and playwright Tony Kushner, comes West Side Story. An adaptation of the 1957 musical, the film tells the tale of forbidden love and the rivalry between the Jets and the Sharks, two teenage street gangs of different ethnic backgrounds. Product Features Over 90 minutes of behind-the-scenes bonus extras including the stories of west side story & the songs.