The Countess.

A teenage girl's rebellion through drugs becomes a metaphor for the struggle between individuality and totalitarianism. Amidst the political upheaval of 1968, Sybilla (the "Countess") is sent to a girls' re-education camp when she is caught using drugs. After a failed affair and an abortion, Sybilla's drug use lands her in a mental clinic where she resists efforts to remold her personality. Based on a true story.