俄克拉荷马出身的青年克劳德（John Savage 饰）背井离乡计划参军，机缘之下结识了四位嬉皮士朋友乔治（Treat Williams 饰）、拉斐、沃夫以及珍妮。他们一起在街头吸毒露宿，克劳德对有钱人家的小姐席拉（Beverly D'Angelo 饰）一见钟情，乔治为使两人相见，带领几位朋友大闹席拉家的宴会，结果被投进监狱，乔治得以保释后四处筹钱，狱中的朋友们则因不愿剪去长发再掀波澜。五人出狱后参加了一场反战集会，克劳德与席拉擦出了爱情的火花，但第二天，克劳德就踏进了军营准备参加越战。席拉与乔治等人驱车上千公里探望克劳德，在军队出征的前夕，克劳德与乔治的身份发生了颠倒…… 　　本片获1979年大卫迪泰罗奖最佳导演、最佳配乐奖。This movie, based on the cult Broadway musical of the 60s, tells a story about Claude, a young man from Oklahoma who comes to New York City. There he strikes up a friendship with a group of hippies, led by Berger, and falls in love with Sheila, a girl from a rich family. However, their happiness is short because Claude must go to the Vietnam war.