Taxi Driver (1976)
Travis Bickle (Robert Dinero) is a Vietnam veteran suffering from insomnia and likely PSTD. He spends his nights driving a Taxi and during the day watching porn films at the lowest of low theaters. He becomes fixated on a political volunteer Betsy (Cybil Shepard) he tends to watch bordering on stalking as she works. He eventually convinces her to have coffee and they begin to date. After he takes her to a porno film on a date she decides she wants no part of him. He then meets a 13 year old prostitute Iris (Jodi Foster) who is trying to break away from her pimp. Bickle decides to get involved and attempts to save her from her life.