Twenty-One

Twenty-One is a 1991 British-American drama film directed by Don Boyd from a script co-written with Zoë Heller. Patsy Kensit stars as the 21-year-old protagonist. It premiered at the Sundance Film Festival in February 1991. It was released theatrically later that year in the United States on 4 October, followed by a British release on 1 November.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.