The Boy Friend is a 1971 BritishAmerican musical comedy film directed by Ken Russell and starring Twiggy, Christopher Gable, Tommy Tune, and Max Adrian with an uncredited appearance by Glenda Jackson. It is an adaptation of the musical The Boy Friend by Sandy Wilson. It was released on DVD on April 12, 2011.
First there is the frame story where in the south of England in the 1920s a struggling theatrical troupe is performing a musical about romantic intrigues at a finishing school for young women in the south of France. To ongoing backstage dramas and audiences smaller in number than the cast, two extra ingredients arrive a famous Hollywood film producer turns up to see the show, and Polly, the mousy assistant stage manager, is forced to go on when the leading lady breaks a leg. As Polly struggles to keep her cool while acting opposite the male lead she secretly loves, the rest of the company backstab each other trying to impress the impresario.Next there is the musical itself. Four of the girls at the school are very forward and acquire boy friends but Polly is shy and has nobody to take her to the carnival masked ball that night. Tony, a messenger boy from a dress shop brings her a costume and the two young people are struck with each other. They meet again in the afternoon and reach an understanding, she pretending she is only a secretary so as not to seem above him. He comes to the ball and, when unmasked, is recognised as a peers son. So Tony and Polly are both rich and can marry openly. ........
Source: Wikipedia